template readme's in docs (#13152)

docs/scripts/copy_templates.py

@@ -0,0 +1,36 @@
+import glob
+import os
+from pathlib import Path
+import re
+import shutil
+
+
+TEMPLATES_DIR = Path(os.path.abspath(__file__)).parents[2] / "templates"
+DOCS_TEMPLATES_DIR = Path(os.path.abspath(__file__)).parents[1] / "docs" / "templates"
+
+
+readmes = list(glob.glob(str(TEMPLATES_DIR) + "/*/README.md"))
+destinations = [readme[len(str(TEMPLATES_DIR)) + 1:-10] + ".md" for readme in readmes]
+for source, destination in zip(readmes, destinations):
+    full_destination = DOCS_TEMPLATES_DIR / destination
+    shutil.copyfile(source, full_destination)
+    with open(full_destination, "r") as f:
+        content = f.read()
+    # remove images
+    content = re.sub("\!\[.*?\]\((.*?)\)", "", content)
+    with open(full_destination, "w") as f:
+        f.write(content)
+
+sidebar_hidden = """---
+sidebar_class_name: hidden
+---
+
+"""
+TEMPLATES_INDEX_DESTINATION = DOCS_TEMPLATES_DIR / "index.md"
+with open(TEMPLATES_INDEX_DESTINATION, "r") as f:
+    content = f.read()
+# replace relative links
+content = re.sub("\]\(\.\.\/", "](/docs/templates/", content)
+with open(TEMPLATES_INDEX_DESTINATION, "w") as f:
+    f.write(sidebar_hidden + content)
+