Add migration for D1 table creation

- Worker would throw exception if deployed before table was created

d1-template/migrations/0001_create_comments_table.sql

@@ -0,0 +1,14 @@
+-- Migration number: 0001 	 2024-12-27T22:04:18.794Z
+CREATE TABLE IF NOT EXISTS comments (
+    id INTEGER PRIMARY KEY NOT NULL,
+    author TEXT NOT NULL,
+    content TEXT NOT NULL
+);
+
+-- Insert some sample data into our comments table.
+INSERT INTO comments (author, content)
+VALUES
+    ('Kristian', 'Congrats!'),
+    ('Serena', 'Great job!'),
+    ('Max', 'Keep up the good work!')
+;

d1-template/package.json

@@ -26,6 +26,7 @@
     "check": "tsc && wrangler --experimental-json-config deploy --dry-run",
     "deploy": "wrangler --experimental-json-config deploy",
     "dev": "wrangler --experimental-json-config dev",
+    "predeploy": "wrangler --experimental-json-config d1 migrations apply d1-template-database --remote",
     "types": "wrangler --experimental-json-config types"
   }
 }