Add more comments to explain different OAuth for GitHub for local vs.…

… deployed

src/main/resources/application-local.properties

@@ -1,7 +1,7 @@
 # redirect-uri will be configured by application.properties {baseUrl} variable
 #spring.security.oauth2.client.registration.github.scope=
 
-# GitHub OAuth2 client info for localhost
+# GitHub OAuth2 client info for localhost (this is different from the app deployed to ensembler.dev for production)
 spring.security.oauth2.client.registration.github.clientId=${github.oauth2.local.clientId}
 spring.security.oauth2.client.registration.github.clientSecret=${github.oauth2.local.clientSecret}