docs: Add documents for dbgpt core lib (#1129)

Co-authored-by: Fangyin Cheng <staneyffer@gmail.com>

.github/workflows/pylint.yml

@@ -16,17 +16,14 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.10", "3.11"]
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install -U black isort
-    - name: check the code lint
-      run: |
-        black . --check
+    - name: Install dependencies and setup environment
+      run: make setup
+    - name: Check Python code style
+      run: make fmt-check