DOC: converted pdf doc for query templates into standard doc and added a few additional sections
- Moved images from doc/QueryTemplates to src/doc/extension/images
- Converted the tex to rst (using
pandoc -f latex -t rst)
- Added one example json into one section
- Added troubleshooting for issue #104
- Removed the old tex documents including the folder QueryTemplates
Can we have this MR merged into main?