Feature/plugin v2 (#284)

* Add "title_title" to slim JSON

* WIP

* WIP

* WIP

* WIP

* Add plugin subscription types

* Revert "Subscription manager"

This reverts commit a612500b0f.

* Use auto overflow tables

cherry-picked from a612500b0f

* Add endpoint for plugin subscription

* WIP

* WIP

* Simplify subscription JSON parsing

* Remove MangaDex files that are no longer needed

* Fix linter

* Refactor date filtering and use native date picker

* Delete unnecessary raise for debugging

* Subscription management API endpoints

* Store manga ID with subscriptions

* Add subscription manager page (WIP)

* Finish subscription manager page

* WIP

* Finish plugin updater

* Base64 encode chapter IDs

* Fix actions on download manager

* Trigger subscription update from manager page

* Fix timestamp precision issue in plugin

* Show target API version

* Update last checked from manager page

* Update last checked even when no chapters found

* Fix null pid

* Clean up

* Document the subscription endpoints

* Fix BigFloat conversion issue

* Confirmation before deleting subscriptions

* Reset table sort options

* Show manga title on subscription manager

src/routes/main.cr

@@ -80,16 +80,6 @@ struct MainRouter
 
     get "/download/plugins" do |env|
       begin
-        id = env.params.query["plugin"]?
-        plugins = Plugin.list
-        plugin = nil
-
-        if id
-          plugin = Plugin.new id
-        elsif !plugins.empty?
-          plugin = Plugin.new plugins[0][:id]
-        end
-
         layout "plugin-download"
       rescue e
         Logger.error e