Add tests and cleanup (#55)

* Add a test framework and basic tests.

* Add more tests.

* Remove unused index.ts.

* Remove unused transcribe parameter

* Allow connections when dispatcher is configured

* Remove unused transcriptionator

* feat: add test workflow

---------

Co-authored-by: RazvanP <razvan.purdel@8x8.com>

Author: bgrozev

.github/workflows/test.yml

@@ -0,0 +1,26 @@
+name: "Run tests"
+on:
+    pull_request:
+        branches:
+            - main
+    push:
+        branches:
+            - main
+
+jobs:
+    test:
+        runs-on: "ubuntu-latest"
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+
+            - uses: actions/setup-node@v4
+              with:
+                  node-version: 22
+                  cache: npm
+
+            - name: Install dependencies
+              run: npm ci
+
+            - name: Run tests
+              run: npm test