feat: test coverage

.github/workflows/main.yml

@@ -0,0 +1,18 @@
+name: Unit Tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches: [main]
+
+jobs:
+  Jest:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: Run Tests
+        run: |
+          npm install 
+          npm test

README.md

@@ -9,7 +9,7 @@ SDK to integrate Phase in server-side applications running Node.js
 ## Import
 
 ```js
-const Phase = require("@phase.dev/phase-node").default;
+const Phase = require("@phase.dev/phase-node");
 ```
 
 ## Initialize

jest.config.ts

@@ -0,0 +1,6 @@
+export default {
+  preset: "ts-jest",
+  testEnvironment: "node",
+  coverageProvider: "v8",
+  coverageReporters: ["text"],
+};