feat(auth): add authentication endpoints (#6265)

**What**
- Add authentication endpoints: 
  - `/auth/[scope]/[provider]` 
  - `/auth/[scope]/[provider]/callback`
- update authenticate-middleware handler
- Add scope field to user
- Add unique constraint on scope and entity_id

note: there's still some remaining work related to jwt auth to be handled, this is mainly focussed on session auth with endpoints



Co-authored-by: Sebastian Rindom <7554214+srindom@users.noreply.github.com>

packages/auth/src/services/auth-module.ts

@@ -395,7 +395,7 @@ export default class AuthModuleService<
 
   protected getRegisteredAuthenticationProvider(
     provider: string,
-    { scope }: AuthenticationInput
+    { authScope }: AuthenticationInput
   ): AbstractAuthModuleProvider {
     let containerProvider: AbstractAuthModuleProvider
     try {
@@ -407,7 +407,7 @@ export default class AuthModuleService<
       )
     }
 
-    containerProvider.validateScope(scope)
+    containerProvider.validateScope(authScope)
 
     return containerProvider
   }