doxygen: create framework to unify markdown and source code part (#9946)

* doxygen: adjust documentation directory structure

- Rename documentation/doxygen to documentation/0.doxygen and cleanup
  some unused files.

- Add/rename folders for each sub sections, such as
  1.introduction/...... Each sub section will be created as a subpage.

- Generate initial Doxyfile, this Doxyfile will be used to unify
  doxygen generated API documents and those markdown files under
  documentation folder. This patch just add the default Doxyfile
  generated by running "doxygen -g". It is used as baseline to add
  more features/configurations.

- Rename documentation/README.md to documentation/INDEX.md, and
  use it as mainpage.

- Move 0.doxygen/readme.md to documentation/README.md.

* doxygen: update configurations

These configurations are from old documentation/doxygen/Doxyfile.
Try best to compatible exixting design.

* doxygen: add run script

Add a script to automatic some operations.

Updated the README.md.

---------

Signed-off-by: Chen Wang <[email protected]>
Co-authored-by: Supper Thomas <[email protected]>

Author: unicornx

.github/workflows/doxygen.yml

@@ -50,15 +50,15 @@ jobs:
       - name: generate doxygen html
         shell: bash
         run: |
-          cd documentation/doxygen
+          cd documentation
           doxygen Doxyfile
           cat Doxyfile
           
       - name: Upload static files as artifact
         id: deployment
         uses: actions/upload-pages-artifact@main # or specific "vX.X.X" version tag for this action
         with:
-          path: documentation/doxygen/html/
+          path: documentation/html/
 
   deploy:
     if: github.event_name == 'push'