chore: add js to generate token

.github/generate-token.js

@@ -0,0 +1,37 @@
+const axios = require('axios');
+const jwt = require('jsonwebtoken');
+const fs = require('fs');
+
+const APP_ID = process.env.APP_ID;
+const PRIVATE_KEY = process.env.PRIVATE_KEY.replace(/\\n/g, '\n');
+
+// Create JWT
+const jwtToken = jwt.sign({}, PRIVATE_KEY, {
+  algorithm: 'RS256',
+  expiresIn: '10m',  // 10 minutes
+  issuer: APP_ID
+});
+
+// Fetch the installation ID dynamically
+axios.get(`https://api.github.com/app/installations`, {
+  headers: {
+    Authorization: `Bearer ${jwtToken}`,
+    Accept: 'application/vnd.github.v3+json',
+  }
+}).then(response => {
+  const installationId = response.data[0].id;  // Assuming only one installation. Adjust if needed.
+
+  // Now, fetch installation token
+  return axios.post(`https://api.github.com/app/installations/${installationId}/access_tokens`, {}, {
+    headers: {
+      Authorization: `Bearer ${jwtToken}`,
+      Accept: 'application/vnd.github.v3+json',
+    }
+  });
+
+}).then(response => {
+  const installationToken = response.data.token;
+  console.log(`::set-output name=installationToken::${installationToken}`);
+}).catch(error => {
+  console.error('Error fetching installation token:', error);
+});