Merge pull request #75 from contentstack/feat/ECO-2743-branchSupport

updated env file accordingly : EC)-2743

Author: MaitriGurey1

.env.local.sample

@@ -23,3 +23,6 @@ NEXT_PUBLIC_HOSTED_URL=http://localhost:3000
 # For EU region add CONTENTSTACK_APP_HOST=eu-app.contentstack.com
 
 # For setting custom host add CONTENTSTACK_API_HOST=for(NA: api.contentstack.io, EU: eu-api.contentstack.com)
+
+# For setting branch add CONTENTSTACK_BRANCH=(Optional for default branch(main)) Eg- develop
+# For setting region add  CONTENTSTACK_REGION=(Optional for US region) Eg- eu