doc: add dynamic config in web app of acrn configuration tool

Add document to dynamically create scenario config and launch config,
dynamically add or delete VM settings in scenario and launch config
in web app of acrn configuration tool

Signed-off-by: Shuang Zheng <shuang.zheng@intel.com>

doc/tutorials/acrn_configuration_tool.rst

@@ -403,10 +403,12 @@ The ACRN configuration app is a web user interface application that performs the
 
 - reads board info
 - configures and validates scenario settings
-- automatically generates patches for board-related configurations and
+- automatically generates source codes for board-related configurations and
   scenario-based VM configurations
 - configures and validates launch settings
 - generates launch scripts for the specified post-launched User VMs.
+- dynamically creates a new sceanrio setting, add or delete VM settings in sceanrio settings
+- dynamically creates a new launch setting, add or delete UOS settings in launch settings
 
 Prerequisites
 =============
@@ -466,19 +468,31 @@ Instructions
       .. figure:: images/select_board_info.png
          :align: center
 
-#. Choose a scenario from the **Scenario Setting** menu which lists all the scenarios,
-   including the default scenarios and the user-defined scenarios for the board you selected
-   in the previous step. The scenario configuration xmls are located at
+#. Load or create the scenario setting by: 
+
+   - choosing a scenario from the **Scenario Setting** menu which lists all the user defined
+     scenarios for the board you selected in the previous step.
+
+   - clicking the **Create a new scenario** from the **Scenario Setting** menu to dynamically
+     create a new scenario setting for the current board.
+
+   - clicking the **Load a default scenario** from the **Scenario Setting** menu, and then select
+     one default scenario setting to load a default scenario setting for the current board.
+
+   The default scenario configuration xmls are located at
    ``acrn-hypervisor/misc/acrn-config/xmls/config-xmls/[board]/``.
+   We can edit the scenario name when creating or loading a sceanrio. If the current scenario
+   name is duplicated with an existed scenario setting name, we can rename the current scenario
+   name or overwrite the existed one after the confirmation message.
 
    .. figure:: images/choose_scenario.png
       :align: center
 
-   Note that you can also use a customized scenario xml by clicking **Import**.
+   Note that you can also use a customized scenario xml by clicking **Import XML**.
    The configuration app automatically directs to the new scenario xml once the import is complete.
 
-#. The configurable items display after one scenario is selected. Here is
-   the example of "SDC" scenario:
+#. The configurable items display after one scenario is created or loaded or selected. Here is
+   the example of "industry" scenario:
 
    .. figure:: images/configure_scenario.png
       :align: center
@@ -490,7 +504,20 @@ Instructions
 
    - Hover the mouse pointer over the item to display the description.
 
-#. Click **Export** to save the scenario xml; you can rename it in the pop-up modal.
+#. To dynamically add or delete VMs, 
+
+   - click **Add a VM below** in one VM setting, and then select one VM type to add a new VM under
+     current VM.
+
+   - click **Remove this VM** in one VM setting to remove current VM for the scenario setting.
+
+   When one VM is added or removed in the scenario setting, the configuration app will re-assign
+   the VM IDs for remaning VMs by the order of Pre-launched VMs, SOS VMs, Post-launched VMs.
+
+   .. figure:: images/configure_vm_add.png
+      :align: center
+
+#. Click **Export XML** to save the scenario xml; you can rename it in the pop-up modal.
 
    .. note:: All customized scenario xmls will be in user-defined groups which located in
       ``acrn-hypervisor/misc/acrn-config/xmls/config-xmls/[board]/user_defined/``.
@@ -503,28 +530,46 @@ Instructions
       :align: center
 
    After the scenario is saved, the page automatically directs to the saved scenario xmls.
-   You can delete the configured scenario by clicking **Export** -> **Remove**.
+   You can delete the configured scenario by clicking **Export XML** -> **Remove**.
 
-#. Click **Generate Board SRC** to save the current scenario setting and then generate
-   a patch for the board-related configuration source codes in
-   ``acrn-hypervisor/hypervisor/arch/x86/configs/[board]/``.
+#. Click **Generate configuration files** to save the current scenario setting and then
+   generate files for the board-related configuration source codes and scenario-based VM
+   configraution source codes.
 
-#. Click **Generate Scenario SRC** to save the current scenario setting and then generate
-   a patch for the scenario-based VM configuration scenario source codes in
+   If **Source Path** in the pop-up modal is edited, the source codes are generated into
+   the edited Source Path relative to ``acrn-hypervisor``; otherwise the source codes are
+   generated into the default folders and overwrite the old ones, where the board-releated
+   configuration source codes are in
+   ``acrn-hypervisor/hypervisor/arch/x86/configs/[board]/``,
+   the scenario-based VM configuration source codes are in
    ``acrn-hypervisor/hypervisor/scenarios/[scenario]/``.
 
 The **Launch Setting** is quite similar to the **Scenario Setting**:
 
 #. Upload board info or select one board as the current board.
 
-#. Import your local launch setting xml by clicking **Import** or selecting one launch setting xml from the menu.
+#. Load or create one launch setting by
+
+   - clicking **Create a new lauch script** from the **Launch Setting** menu,
+
+   - clicking **Load a default launch script** from the **Launch Setting** menu,
+
+   - selecting one launch setting xml from the menu.
+
+   - importing the local launch setting xml by clicking **Import XML**,
 
 #. Select one scenario for the current launch setting from the **Select Scenario** drop down box.
 
 #. Configure the items for the current launch setting.
 
+#. To dynamically add or remove UOS launch scripts,
+
+   - add an UOS launch script by clicking **Configure an UOS below** for the current launch setting.
+
+   - remove an UOS launch script by clicking **Remove this VM** for current launch setting.
+
 #. Save the current launch setting to the user-defined xml files by
-   clicking **Export**. The configuration app validates the current
+   clicking **Export XML**. The configuration app validates the current
    configuration and lists all wrong configurable items and shows errors.
 
 #. Click **Generate Launch Script** to save the current launch setting and then generate the launch script.