chore: Update .gitignore and add get-latest-commit API endpoint

.gitignore

@@ -1,5 +1,6 @@
 /.gradle
 /.idea
+/.vercel
 /app/.cxx
 /app/build
 /app/debug

api/.gitignore

@@ -1,2 +0,0 @@
-node_modules
-package-lock.json

api/get-latest-commit/main.js

@@ -1,19 +0,0 @@
-const fetch = require('node-fetch');
-
-module.exports = async (req, res) => {
-  const username = 'NatsumeLS';
-  const repo = 'Gakumas-Localify-EN';
-  const apiUrl = `https://api.github.com/repos/${username}/${repo}/commits?per_page=1`;
-
-  try {
-    const response = await fetch(apiUrl);
-    const data = await response.json();
-    const latestCommitHash = data[0].sha;
-
-    res.setHeader('Content-Type', 'application/json');
-    res.setHeader('Cache-Control', 'no-cache');
-    res.status(200).json({ hash: latestCommitHash });
-  } catch (error) {
-    res.status(500).json({ error: 'Failed to fetch latest commit hash' });
-  }
-};

api/get-latest-commit/package.json

@@ -1,7 +0,0 @@
-{
-  "name": "get-latest-commit",
-  "main": "main.js",
-  "dependencies": {
-    "node-fetch": "^3.3.2"
-  }
-}

api/getLatestCommit.js

@@ -0,0 +1,26 @@
+// api/getLatestCommit.js
+
+const fetch = require('node-fetch');
+
+module.exports = async (req, res) => {
+  const username = 'NatsumeLS';
+  const repo = 'Gakumas-Localify-EN';
+
+  try {
+    const response = await fetch(`https://api.github.com/repos/${username}/${repo}/commits`);
+    if (!response.ok) {
+      throw new Error(`GitHub API returned status ${response.status}`);
+    }
+
+    const commits = await response.json();
+    if (commits.length === 0) {
+      res.status(404).json({ error: 'No commits found' });
+      return;
+    }
+
+    const latestCommit = commits[0].sha;
+    res.status(200).json({ latestCommit });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+};