[plugin] Auto issue orders (#9565)

* Add builtin plugin for auto-issuing orders

* Add plugin to auto-issue orders

* Add placeholder documentation

* Fix typo

* Adds image macro

- To replace img.html
- includes checking if file exists

* Fix tooltips

* More docs

* Adjust plugin settings filters

* docs

* More docs

* More docs

* Updates

* Less restrictive URL checking

* Refactor build order page

* Fix typo

* Allow 429

* Debug output

* More debug

* Construct assets dir

* Cleanup

* Update docs README

* Refactoring more pages

* Fix image link

* Fix SSO settings

* Add hook to check for missing settings

- Ensure that all settings are documented!

* Add missing user settings

* Update docstring

* Tweak SSO.md

* Image updates

* More updates

* Tweaks

* Exclude orders without a target_date

* Fix for issuing build orders

* Further refactoring

* Fixes

* Image refactoring

* More refactoring

* More refactoring

* Refactor app images

* Fix pathing issues

* Suppress some openapidocs warnings in logs

(much easier to debug docs build issues)

* Fix image reference

* Reduce error messages

* Fix image links

* Fix image links

* Reduce docs log output

* Ensure settings are loaded before displaying them

* Fix for UI test

* Fix unit test

* Test tweaks

docs/mlc_config.json

@@ -1,4 +1,15 @@
 {
+    "aliveStatusCodes": [
+        200,
+        201,
+        202,
+        204,
+        301,
+        302,
+        401,
+        403,
+        429
+    ],
     "ignorePatterns": [
         {
             "pattern": "http://inventree.localhost"