update readme

Author: mominur-helios

README.md

@@ -87,6 +87,8 @@ The meaning of each variable can be found below:
 - `DEBUG`: if `True` the app runs in develoment mode
   - For production value `False` should be used
 - `SECRET_KEY`: used in assets management
+- `GITHUB_CLIENT_ID`: For GitHub social login
+- `GITHUB_SECRET_KEY`: For GitHub social login
 
 <br />
 

env.sample

@@ -3,3 +3,6 @@ DEBUG=True
 DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1]
 DB_ENGINE=django.db.backends.sqlite3
 DATABASE=db.sqlite3
+
+GITHUB_CLIENT_ID=
+GITHUB_SECRET_KEY=