added .env.example for reference

Monte9 · Monte9 · commit 10c5c373a8f9 · 2023-05-14T16:06:40.000-07:00
diff --git a/.env.example b/.env.example
@@ -0,0 +1,4 @@
+OPENAI_API_KEY=XXXXXXXXXXXX
+MIXPANEL_PROJECT_TOKEN=XXXXXXXXXXXX
+APP_ENV=development
+APP_NAME=nextjs-tailwindcss-chatgpt-clone
