feat: initial

src/index.js

@@ -0,0 +1,23 @@
+import * as core from "@actions/core";
+import { checkPrerequisites } from "./utils";
+import { restore } from "./restore";
+import { save } from "./save";
+
+const run = async () => {
+  const isPost = core.getState("isPost") === "true";
+
+  try {
+    await checkPrerequisites();
+
+    if (!isPost) {
+      core.saveState("isPost", "true");
+      await restore();
+    } else {
+      await save();
+    }
+  } catch (error) {
+    core.setFailed(`Unexpected error: ${error.message}`);
+  }
+};
+
+run();