feat(ci) codecov (#5)

* feat(ci) codecov

* fix(ci) test results location

* feat(readme) codecov badge

* feat(npm) automatic npm publish

* fix(ci) yml file format

.github/workflows/ci.yml

@@ -15,3 +15,7 @@ jobs:
           yarn build
       - name: test
         run: yarn test
+      - name: Upload coverage to Codecov  
+        uses: codecov/[email protected]
+        with:
+          token: ${{secrets.CODECOV_TOKEN}}

.github/workflows/publish.yml

@@ -0,0 +1,21 @@
+name: Publish
+on:
+  create:
+    branches:
+      - master
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Publish
+        uses: actions/npm@master
+        with:
+          args: "publish --access public"
+          secrets: ${{secrets.NPM_AUTH_TOKEN}}
+      - name: install, build
+        run: |
+          yarn install
+          yarn build
+      - name: test
+        run: yarn test

README.md

@@ -1,15 +1,16 @@
 # JsonToHtmlTable
 
-![npm version](https://img.shields.io/npm/v/jsontohtmltable)
-![Dependency Free](https://img.shields.io/david/cho0o0/JsonToHtmlTable)
+![Current npm version](https://img.shields.io/npm/v/jsontohtmltable)
+![Dependency free](https://img.shields.io/david/cho0o0/JsonToHtmlTable)
+![Code coverage](https://img.shields.io/codecov/c/github/cho0o0/JsonToHtmlTable)
 
 This is a dead simple Javascript library for converting json to HTML table.
 
 ## Features
 
-- visualize nested json
-- support json in string format
-- callback support
+- Visualize nested json
+- Support json in string format
+- Callback support
 
 ## How to use it