Auto generate docs

Author: kdheepak

doc/panvimdoc.txt

@@ -231,6 +231,32 @@ For an example of how this is used, see one of the following workflows:
 _Feel free to submit a PR to add your documentation as an example here._
 
 
+USING IT MANUALLY ~
+
+The `./entrypoint.sh` script runs `pandoc` along with all the filters and
+custom output writer.
+
+>bash
+    $ ./entrypoint.sh
+    Usage: ./entrypoint.sh --project-name PROJECT_NAME --input-file INPUT_FILE --vim-version VIM_VERSION --toc TOC --description DESCRIPTION --dedup-subheadings DEDUP_SUBHEADINGS --treesitter TREESITTER
+    
+    Arguments:
+      --project-name: the name of the project
+      --input-file: the input markdown file
+      --vim-version: the version of Vim that the project is compatible with
+      --toc: 'true' if the output should include a table of contents, 'false' otherwise
+      --description: a description of the project
+      --dedup-subheadings: 'true' if duplicate subheadings should be removed, 'false' otherwise
+      --demojify: 'false' if emojis should not be removed, 'true' otherwise
+      --treesitter: 'true' if the project uses Tree-sitter syntax highlighting, 'false' otherwise
+      --ignore-rawblocks: 'true' if the project should ignore HTML raw blocks, 'false' otherwise
+      --shift-heading-level-by: 0 if you don't want to shift heading levels , n otherwise
+      --increment-heading-level-by: 0 if don't want to increment the starting heading number, n otherwise
+<
+
+You will need `pandoc v3.0.0` or greater for this script to work.
+
+
 ==============================================================================
 8. References                                           *panvimdoc-references*