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

lib/get-os.js

@@ -0,0 +1,18 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function getOS(platform) {
+    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`);
+    }
+}
+exports.default = getOS;