chore: configure dependencies and project conf

src/check_datapack.ts

@@ -0,0 +1,3 @@
+export async function checkDatapack(rootDir: String, version: String): Promise<void> {
+    console.log(`Checking datapack in directory ${rootDir} for Minecraft version ${version}`)
+}

src/index.ts

@@ -1 +1,20 @@
-console.log("Hello World!")
+import * as core from "@actions/core"
+import { checkDatapack } from "./check_datapack.js"
+
+async function run(): Promise<void> {
+    try {
+        const rootDir = core.getInput("dir")
+        let version = core.getInput("version")
+        if (version === "") {
+            version = "auto"
+        }
+        await checkDatapack(rootDir, version)
+
+    } catch (error) {
+        if (error instanceof Error) {
+            core.setFailed(error.message)
+        }
+    }
+}
+
+run()