chore: update link in main.yml and update badges in README

Author: softvar

Diff for: .github/workflows/main.yml

@@ -70,7 +70,7 @@ jobs:
       uses: wingify/[email protected]
       with:
         channel-id: 'vwo-fs-fme-sdk-job-status'
-        slack-message: "<!here> Node.js FME SDK Test on *Node-${{ matrix.node_version }}* and *${{ matrix.os }}* got *${{job.status}}* ${{job.status == 'success' && ':heavy_check_mark:' || ':x:'}} \nCommit: `${{github.event.head_commit.message}}`. \nCheck the latest build: https://github.com/wingify/vwo-node-sdk/actions"
+        slack-message: "<!here> Node.js FME SDK Test on *Node-${{ matrix.node_version }}* and *${{ matrix.os }}* got *${{job.status}}* ${{job.status == 'success' && ':heavy_check_mark:' || ':x:'}} \nCommit: `${{github.event.head_commit.message}}`. \nCheck the latest build: https://github.com/wingify/vwo-fme-node-sdk/actions"
         color: "${{job.status == 'success' && '#00FF00' || '#FF0000'}}"
       env:
         SLACK_BOT_TOKEN: ${{ secrets.SLACK_NOTIFICATIONS_BOT_TOKEN }}

Diff for: README.md

@@ -1,11 +1,10 @@
 ## VWO Feature Management and Experimentation SDK for Node.js
 
-[![npm version](https://badge.fury.io/js/vwo-fme-node-sdk.svg)](https://www.npmjs.com/package/vwo-fme-node-sdk)
-[![CI](https://github.com/wingify/vwo-fme-node-sdk/workflows/CI/badge.svg?branch=master)](https://github.com/wingify/vwo-fme-node-sdk/actions?query=workflow%3ACI)
+[![npm version](https://img.shields.io/npm/v/vwo-fme-node-sdk?style=for-the-badge&color=grey&logo=npm)](https://www.npmjs.com/package/vwo-fme-node-sdk)
+[![License](https://img.shields.io/github/license/wingify/vwo-fme-node-sdk?style=for-the-badge&color=blue)](http://www.apache.org/licenses/LICENSE-2.0)
 
-[![codecov](https://codecov.io/gh/wingify/vwo-fme-node-sdk/branch/master/graph/badge.svg?token=813UYYMWGM)](https://codecov.io/gh/wingify/vwo-fme-node-sdk)
-
-[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](http://www.apache.org/licenses/LICENSE-2.0)
+[![CI](https://img.shields.io/github/actions/workflow/status/wingify/vwo-fme-node-sdk/main.yml?style=for-the-badge&logo=github)](https://github.com/wingify/vwo-fme-node-sdk/actions?query=workflow%3ACI)
+[![codecov](https://img.shields.io/codecov/c/github/wingify/vwo-fme-node-sdk?token=813UYYMWGM&style=for-the-badge&logo=codecov)](https://codecov.io/gh/wingify/vwo-fme-node-sdk)
 
 ### Requirements