Add proper acl permissions implementation

[bwisniewski26]

Utworzyłem listę uprawnień dla wszystkich grup w naszej aplikacji oraz poprawne ich przydzielanie na podstawie ich ACL z bazy danych.

[Copilot]

Pull Request Overview

This PR implements a proper ACL permissions mapping system by creating a list of permissions for all groups based on ACLs from the database.

• Introduces a new PermissionGroupAcls constants class to hold ACL strings
• Implements a Mapper from PermissionGroup to ACL and vice versa
• Integrates the mapping in FamilyGroupMember creation

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
FamilyVaultServer/Utils/PermissionGroupToAclMapper.cs	Maps PermissionGroup enum values to ACL strings via constants
FamilyVaultServer/Utils/PermissionGroupAcls.cs	Defines ACL constants for each PermissionGroup
FamilyVaultServer/Utils/AclToPermissionGroupMapper.cs	Maps ACL strings back to PermissionGroup enum values
FamilyVaultServer/Models/FamilyGroupMember.cs	Uses the new AclToPermissionGroupMapper to set PermissionGroup value

Comments suppressed due to low confidence (2)

FamilyVaultServer/Utils/PermissionGroupToAclMapper.cs:17

• [nitpick] Consider revising the error message to be more descriptive and grammatically correct, for example: "Invalid PermissionGroup provided."

_ => throw new ArgumentException("Provided not valid PermissionGroup"),

FamilyVaultServer/Utils/AclToPermissionGroupMapper.cs:17

• [nitpick] Consider revising the error message for clarity, e.g., "Invalid ACL value provided."

_ => throw new ArgumentException("Provided not valid ACL"),