Pull out query filters as top level documentation page

- Note perf eval from 2022
- Update links to query-filters in docs
- Fix links
- Update image model docs

documentation/docs/clients/emacs.md

@@ -114,7 +114,7 @@ This feature finds entries similar to the one you are currently on.
 2. Hit `C-c s f` (or `M-x khoj RET f`) to find similar entries
 
 ### Advanced Usage
-- Add [query filters](/miscellaneous/advanced#query-filters) during search to narrow down results further
+- Add [query filters](/miscellaneous/query-filters) during search to narrow down results further
   e.g. `What is the meaning of life? -"god" +"none" dt>"last week"`
 
 - Use `C-c C-o 2` to open the current result at cursor in its source org file

documentation/docs/clients/obsidian.md

@@ -48,7 +48,7 @@ To see other notes similar to the current one, run *Khoj: Find Similar Notes* fr
 ### Search
 Run *Khoj: Search* from the [Command Palette](https://help.obsidian.md/Plugins/Command+palette)
 
-See [Khoj Search](/features/search) for more details. Use [query filters](/miscellaneous/advanced#query-filters) to limit entries to search
+See [Khoj Search](/features/search) for more details. Use [query filters](/miscellaneous/query-filters) to limit entries to search
 
 [search_demo](https://user-images.githubusercontent.com/6413477/218801155-cd67e8b4-a770-404a-8179-d6b61caa0f93.mp4 ':include :type=mp4')