Github integration (#6414)

Co-authored-by: Tom Moor <tom.moor@gmail.com>

.env.sample

@@ -122,6 +122,16 @@ OIDC_DISPLAY_NAME=OpenID Connect
 # Space separated auth scopes.
 OIDC_SCOPES=openid profile email
 
+# To configure the GitHub integration, you'll need to create a GitHub App at
+# => https://github.com/settings/apps
+#
+# When configuring the Client ID, add a redirect URL under "Permissions & events":
+# https://<URL>/api/github.callback
+GITHUB_CLIENT_ID=
+GITHUB_CLIENT_SECRET=
+GITHUB_APP_NAME=
+GITHUB_APP_ID=
+GITHUB_APP_PRIVATE_KEY=
 
 # –––––––––––––––– OPTIONAL ––––––––––––––––