Add npm prepublish script. (#67)

Author: qhanam

.github/workflows/ci.yaml

@@ -16,9 +16,9 @@ jobs:
               uses: actions/checkout@v2
 
             - name: Setup Node
-              uses: actions/setup-node@v1
+              uses: actions/setup-node@v2
               with:
-                  node-version: 14
+                  node-version: '16.x'
 
             - name: Cache NPM modules
               uses: actions/cache@v2
@@ -28,7 +28,7 @@ jobs:
                   restore-keys: |
                       ${{ runner.os }}-node-
 
-            - run: npm install
+            - run: npm ci
 
             - name: Check Code Format
               run: npm run prettier
@@ -53,9 +53,9 @@ jobs:
               uses: actions/checkout@v2
 
             - name: Setup Node
-              uses: actions/setup-node@v1
+              uses: actions/setup-node@v2
               with:
-                  node-version: 14
+                  node-version: '16.x'
 
             - name: Cache NPM modules
               uses: actions/cache@v2
@@ -65,7 +65,7 @@ jobs:
                   restore-keys: |
                       ${{ runner.os }}-node-
 
-            - run: npm install
+            - run: npm ci
 
             - name: Run Integ Tests on ubuntu-latest
               if: matrix.os == 'ubuntu-latest'