refactor: rework file structure (#325)

* wip: add middlewares

* refactor: use context fom middleware in handlers

* refactor: use controller approach in handlers

* refactor: move oauth providers into services (non-working)

* feat: create oauth broker service

* refactor: use a boostrap service to bootstrap the app

* refactor: split utils into smaller files

* refactor: use more clear name for frontend assets

* feat: allow customizability of resources dir

* fix: fix typo in ui middleware

* fix: validate resource file paths in ui middleware

* refactor: move resource handling to a controller

* feat: add some logging

* fix: configure middlewares before groups

* fix: use correct api path in login mutation

* fix: coderabbit suggestions

* fix: further coderabbit suggestions

.env.example

@@ -5,7 +5,7 @@ SECRET_FILE=app_secret_file
 APP_URL=http://localhost:3000
 USERS=your_user_password_hash
 USERS_FILE=users_file
-COOKIE_SECURE=false
+SECURE_COOKIE=false
 GITHUB_CLIENT_ID=github_client_id
 GITHUB_CLIENT_SECRET=github_client_secret
 GITHUB_CLIENT_SECRET_FILE=github_client_secret_file
@@ -25,7 +25,7 @@ GENERIC_NAME=My OAuth
 SESSION_EXPIRY=7200
 LOGIN_TIMEOUT=300
 LOGIN_MAX_RETRIES=5
-LOG_LEVEL=0
+LOG_LEVEL=debug
 APP_TITLE=Tinyauth SSO
 FORGOT_PASSWORD_MESSAGE=Some message about resetting the password
 OAUTH_AUTO_REDIRECT=none