Feat: Support macOS and Windows, migrate JavaScript to TypeScript (#32)

- Support macOS and Windows (Close #24 )
- Refactoring
  - Error handling
  - TypeScript
- Prettier (Close #29 )
- GHA: Add upload-artifact step for test coverage
- deps: Install husky

src/get-os.ts

@@ -0,0 +1,12 @@
+export default function getOS(platform: string) {
+  if (platform === 'linux') {
+    return 'Linux';
+  } else if (platform === 'darwin') {
+    return 'macOS';
+  } else if (platform === 'win32') {
+    return 'Windows';
+    // throw new Error("Windows is not supported");
+  } else {
+    throw new Error(`${platform} is not supported`);
+  }
+}