feat: birthday example

Author: dancer

birthday-card-generator/.env.example

@@ -0,0 +1,3 @@
+# Created by Vercel CLI
+RESEND_API_KEY=...
+VERCEL_OIDC_TOKEN=...

birthday-card-generator/.gitignore

@@ -30,13 +30,13 @@ yarn-debug.log*
 yarn-error.log*
 .pnpm-debug.log*
 
-# env files (can opt-in for committing if needed)
-.env*
+# local env files
+.env*.local
+.env
 
 # vercel
 .vercel
 
 # typescript
 *.tsbuildinfo
-next-env.d.ts
-.env*.local
+next-env.d.ts