create sample local env file

Author: AndrewSouthpaw

server/config/local.env.json.example

@@ -0,0 +1,21 @@
+{
+  "DOMAIN": ,
+  "EXPRESS_SESSION_SECRET": ,
+
+  "JWT_TOKEN_SECRET": ,
+
+  "FACEBOOK_ID": "app-id",
+  "FACEBOOK_SECRET": "secret",
+
+  "TWITTER_ID": "app-id",
+  "TWITTER_SECRET": "secret",
+
+  "GOOGLE_ID": "app-id",
+  "GOOGLE_SECRET": "secret",
+
+  "CLOUDINARY_NAME": ,
+  "CLOUDINARY_KEY": ,
+  "CLOUDINARY_SECRET": ,
+
+  "DEBUG": ""
+}