feat: Add Admin Groups Management Module

- Introduced a new module for managing user groups (`usrgrp`) in the administration interface.
- Implemented CRUD operations for user groups: list, create, rename, and delete.
- Added authorization checks to ensure only users with appropriate permissions can manage groups.
- Created corresponding frontend JavaScript and SCSS files for the new module.
- Updated documentation to reflect the new group management functionality and its authorization model.
- Added SQL stored procedures for group management operations.
- Established a new login script for database access, ensuring proper security practices.

Fuchs_Database/dbo/Stored Procedures/fis_admin_remGroupMember.sql

@@ -12,8 +12,9 @@ AS
 BEGIN
 	SET NOCOUNT ON;
 	DECLARE @utcnow datetime = GETUTCDATE();
+	DECLARE @auth smallint = [dbo].[fis_admin_getUserAuth](@authaccount);
 
-    IF EXISTS (SELECT * FROM [dbo].[fis_usergroups_members] WHERE [usergroup_id] = @usergroup_id AND [useraccount_id] = @useraccount_id and [DateDeleted] is null)
+    IF @auth > 1 AND EXISTS (SELECT * FROM [dbo].[fis_usergroups_members] WHERE [usergroup_id] = @usergroup_id AND [useraccount_id] = @useraccount_id and [DateDeleted] is null)
 		BEGIN
 
 			UPDATE [dbo].[fis_usergroups_members]