feat: init db

deno.json

@@ -0,0 +1,9 @@
+{
+  "tasks": {
+    "dev": "deno run --watch --allow-net --allow-read --allow-write main.ts",
+    "migrate": "deno run src/migrations/init.ts"
+  },
+  "imports": {
+    "@std/assert": "jsr:@std/assert@1"
+  }
+}