feat: Generic OAuth2 authentication implementation (#3094)

* OAuth2 authentication implementation

This PR shoul fix #2392. Used `passport-oauth2` strategy.

* indentations cleanup

* cleanup code

server/modules/authentication/oauth2/definition.yml

@@ -0,0 +1,55 @@
+key: oauth2
+title: OAuth2
+description: OAuth 2.0 protocol.
+author: requarks.io
+logo: https://static.requarks.io/logo/oauth2.svg
+color: blue-grey darken-2
+website: https://oauth.net/2/
+isAvailable: true
+useForm: false
+props:
+  clientId:
+    type: String
+    title: Client ID
+    hint: Application Client ID
+    order: 1
+  clientSecret:
+    type: String
+    title: Client Secret
+    hint: Application Client Secret
+    order: 2
+  authorizationURL:
+    type: String
+    title: Authorization Endpoint URL
+    hint: Application Authorization Endpoint URL
+    order: 3
+  tokenURL:
+    type: String
+    title: Token Endpoint URL
+    hint: Application Token Endpoint URL
+    order: 4
+  userInfoURL:
+    type: String
+    title: User Info Endpoint URL
+    hint: User Info Endpoint URL
+    order: 5
+  userId:
+    type: String
+    title: ID
+    hint: User ID
+    default: id
+    order: 6
+  displayName:
+    type: String
+    title: Display Name
+    hint: Field containing display name
+    default: displayName
+    maxWidth: 500
+    order: 7
+  emailClaim:
+    type: String
+    title: Email Claim
+    hint: Field containing the email address
+    default: email
+    maxWidth: 500
+    order: 8