feat: add probot app and notification workflow

Author: RajivBB

commitlint.config.cjs

@@ -0,0 +1,24 @@
+module.exports = {
+    extends: ['@commitlint/config-conventional'],
+    rules: {
+        'type-enum': [2, 'always', [
+            'feat',     // A new feature
+            'fix',      // A bug fix
+            'docs',     // Documentation only changes
+            'style',    // Changes that do not affect code meaning
+            'refactor', // A code change that neither fixes a bug nor adds a feature
+            'perf',     // A code change that improves performance
+            'test',     // Adding missing tests or correcting existing tests
+            'build',    // Build system or external dependencies
+            'ci',       // CI configuration changes
+            'chore',    // Other changes that don't modify src or test files
+            'revert',   // Reverts a previous commit
+        ]],
+        'type-case': [2, 'always', 'lowerCase'],
+        'type-empty': [2, 'never'],
+        'scope-case': [2, 'always', 'lowerCase'],
+        'subject-empty': [2, 'never'],
+        'subject-full-stop': [2, 'never', '.'],
+        'header-max-length': [2, 'always', 72],
+    },
+};