chore: production env description

.env.example

@@ -1,9 +1,32 @@
 GH_ORG=cyprus-developer-community
 GH_GRAPHQL_URL=https://api.github.com/graphql
 
+# Development Variables
+#
 # https://github.com/settings/tokens?type=beta
 # Create a fine-grained token with the following permissions:
 # Resource owner:           cyprus-developer-community
 # Repository Access:        Public Repositories (read only)
 # Organization permissions: Members (read only)
 GH_PAT=
+
+
+# Production Variables
+#
+# Go to Settings -> Developer Settings -> GitHub Apps and create a new GitHub App
+# https://github.com/organizations/<your-org>/settings/apps/new
+# Set up the permissions and install the application in your organization. The installation ID
+# can be found in the URL of the installation page:
+# ie: https://github.com/organizations/<your-org>/settings/installations/123456789
+# Create a private key and store it on a secure location.
+#
+# Permissions:
+# Repository permissions
+## Issues: Read & Write
+## Pull Requests: Read & Write
+# Organization permissions
+## Members: Read & Write
+
+GH_APP_ID=
+GH_APP_INSTALLATION_ID=
+GH_PRIVATE_KEY=