Add OpenID variables.

For more see:

- db59ef5f72
- https://github.com/bonfire-networks/bonfire_open_id/blob/main/lib/runtime_config.ex#L19 for more.

compose.yml

@@ -55,6 +55,7 @@ services:
       
       - GITHUB_TOKEN
       
+      # for S3 -- note if you don't set these up upfront images will break later.
       - UPLOADS_S3_BUCKET
       - UPLOADS_S3_ACCESS_KEY_ID
       - UPLOADS_S3_SECRET_ACCESS_KEY
@@ -62,6 +63,15 @@ services:
       - UPLOADS_S3_HOST
       - UPLOADS_S3_SCHEME
       - UPLOADS_S3_URL
+
+      # for OpenID -- see also https://github.com/bonfire-networks/bonfire_open_id/blob/main/lib/runtime_config.ex.
+      - OAUTH_ISSUER
+      - OPENID_1_CLIENT_SECRET
+      - OPENID_1_DISPLAY_NAME
+      - OPENID_1_DISCOVERY
+      - OPENID_1_REDIRECT
+      - OPENID_1_RESPONSE_TYPE
+      - OPENID_1_SCOPE
       
     secrets:
       - postgres_password