Remove docstore placeholder file
Add docstore URL to framework
Update version (v3.4.6 -> v3.5.0)
Add docstore search page

- clean up docstore options
Update changelog
Fix lambda syntax on framework session add_slash
Add comment to DocStore search class
Add DocStore search results base class
Add functions to docstore search results page

- .any_results? checks if search results are present
- .multiple_pages? checks if there are multiple pages of results present
Create Marc Bib record search results screen
Update changelog