feat(day_1): both exercises done

deno.json

@@ -4,9 +4,10 @@
     "dev": "deno run -R --watch src/main.ts",
     "today:dev": "deno run -R --watch src/main.ts $(date +%e)",
     "today": "deno run -R src/main.ts $(date +%e)",
-    "test": "deno test --parallel src",
+    "test": "deno test -R --parallel src",
     "lint:commit": "commitlint --edit"
   },
+  "vendor": true,
   "imports": {
     "@commitlint/cli": "npm:@commitlint/cli@^20.1.0",
     "@std/assert": "jsr:@std/assert@1",