Add environment configuration for Mixpost application

mixpost/.env

@@ -0,0 +1,26 @@
+# The name of your application.
+APP_NAME=Mixpost
+
+# Key used to encrypt and decrypt sensitive data. Generate this using the following tool:
+# https://mixpost.app/tools/encryption-key-generator
+APP_KEY=base64:YourBase64EncodedString
+
+# Debug mode setting. Set to `false` for production environments.
+APP_DEBUG=false
+
+# Your app's domain or subdomain, without the 'http://' or 'https://' prefix.
+APP_DOMAIN=mixpost.example.com
+
+# Full application URL is automatically configured; no modification required.
+APP_URL=https://${APP_DOMAIN}
+
+# MySQL connection setup.
+DB_CONNECTION=mysql
+DB_HOST=mysql # Use one of the MariaDB aliases
+DB_PORT=3306
+DB_DATABASE=mixpost_db
+DB_USERNAME=mixpost
+DB_PASSWORD=yourPassword
+
+# Specify the email address to be used for SSL certificate registration and notifications.
+SSL_EMAIL=admin@example.com