feat: deno base project

src/exercises/assets/day_1_input.txt

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+Test

src/exercises/day_1.ts

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+export default function FirstDayExerciseName() {
+	console.log("test_module");
+	return 1;
+}

src/main.ts

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+async function main(): Promise<number> {
+	const args = Deno.args;
+	if (!args || args.length !== 1) {
+		return Promise.resolve(-1);
+	}
+	const day = parseInt(args[0]);
+
+	const module = await import(`./exercises/day_${day}.ts`);
+	module.default();
+
+	return Promise.resolve(0);
+}
+
+// Learn more at https://docs.deno.com/runtime/manual/examples/module_metadata#concepts
+if (import.meta.main) {
+	await main();
+}

src/main_test.ts

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+import { assertEquals } from "@std/assert";
+import { add } from "./main.ts";
+
+Deno.test(function addTest() {
+	assertEquals(add(2, 3), 5);
+});