refactor (backend): move config files out of the source directories (#9769)

* moving config files out of the source directories
Fixes #9756

* add folder for config

* fix lookup paths

* reorder ignores

* reduce diff

* better error message

* fix paths

* Update tests.py

* save global warning to db

* fix import

* more import fixes / docs

* fix default

* fix default

* ensure secret_key/get_config_file is tested fully

* try fixing path on docker

* try to make it work on GitHub CI

* refactor testfolder path into config var

* fix test path

* fix test

* do not test on docker

* more tests

* add testing for global warning dict

* fix error handling

.gitignore

@@ -46,19 +46,17 @@ inventree_media
 inventree_static
 static_i18n
 
-# Local config file
+# Local config files
 config.yaml
 plugins.txt
+secret_key.txt
+oidc.pem
 
 # Default data file
 data.json
 *.json.tmp
 *.tmp.json
 
-# Key file
-secret_key.txt
-oidc.pem
-
 # IDE / development files
 .idea/
 *.code-workspace