feat: Update README.md badges and CI coverage report (#29)

.github/workflows/ci.yml

@@ -21,7 +21,16 @@ jobs:
     - name: pretest
       run: cd e2e/pretest &&  ./env_setup.sh
     - name: Test
-      run: go test -v ./... -tags e2e
+      run: go test -v -coverprofile=profile.cov ./... -tags e2e
+    - name: Install goveralls
+      env:
+        GO111MODULE: off
+      run: go get github.com/mattn/goveralls
+
+    - name: Send coverage
+      env:
+       COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: goveralls -coverprofile=profile.cov -service=github
 
   e2e-test:
     runs-on: ubuntu-latest

README.md

@@ -1,5 +1,10 @@
 # K8s-gatekeeper
-[TOC]
+[![Go](https://github.com/casbin/k8s-gatekeeper/actions/workflows/ci.yml/badge.svg)](https://github.com/casbin/k8s-gatekeeper/actions/workflows/ci.yml)
+[![Coverage Status](https://coveralls.io/repos/github/casbin/k8s-gatekeeper/badge.svg?branch=master)](https://coveralls.io/github/casbin/k8s-gatekeeper?branch=master)
+[![Go Report Card](https://goreportcard.com/badge/github.com/casbin/k8s-gatekeeper)](https://goreportcard.com/report/github.com/casbin/k8s-gatekeeper)
+[![Godoc](https://godoc.org/github.com/casbin/k8s-gatekeeper?status.svg)](https://godoc.org/github.com/casbin/k8s-gatekeeper)
+---
+
 ## 1.Overview
 ### 1.1 What is K8s-gatekeeper
 K8s-gatekeeper is an admission webhook for k8s, using [Casbin](https://casbin.org/docs/en/overview) to apply arbitrary user-defined access control rules to help prevent any operation on k8s which administrator doesn't want.