update test coverage workflow

Author: k3a

.github/workflows/ci.yml

@@ -0,0 +1,36 @@
+name: test
+on: [push]
+permissions:
+  contents: write
+jobs:
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+      - name: setup go
+        uses: actions/setup-go@v4
+        with:
+          go-version-file: go.mod
+      - name: generate test coverage
+        run: go test ./... -coverprofile=./cover.out -covermode=atomic
+      - name: check test coverage
+        id: coverage
+        uses: vladopajic/go-test-coverage@v2
+        with:
+          profile: cover.out
+          #local-prefix: github.com/org/project
+          threshold-file: 80
+          threshold-package: 80
+          threshold-total: 95
+      - name: make coverage badge
+        uses: action-badges/core@0.2.2
+        if: contains(fromJSON('["refs/heads/master", "refs/heads/main"]'), github.ref)
+        with:
+          label: coverage
+          message: ${{ steps.coverage.outputs.badge-text }}
+          message-color: ${{ steps.coverage.outputs.badge-color }}
+          file-name: coverage.svg
+          badge-branch: badges
+          github-token: "${{ secrets.GITHUB_TOKEN }}"

.github/workflows/test.yml

@@ -1,6 +1,6 @@
-[![GoDoc](https://godoc.org/github.com/k3a/html2text?status.svg)](https://godoc.org/github.com/k3a/html2text)
-[![Build Status](https://travis-ci.org/k3a/html2text.svg?branch=master)](https://travis-ci.org/k3a/html2text)
-[![Coverage Status](https://coveralls.io/repos/github/k3a/html2text/badge.svg?branch=master)](https://coveralls.io/github/k3a/html2text?branch=master)
+[![Go Reference](https://pkg.go.dev/badge/github.com/k3a/html2text.svg)](https://pkg.go.dev/github.com/k3a/html2text)
+[![test](https://github.com/k3a/html2text/actions/workflows/test.yml/badge.svg?branch=master)](https://github.com/k3a/html2text/actions/workflows/test.yml)
+[![coverage](https://raw.githubusercontent.com/k3a/html2text/badges/.badges/master/coverage.svg)](https://github.com/k3a/html2text/tree/badges)
 [![Report Card](https://goreportcard.com/badge/github.com/k3a/html2text)](https://goreportcard.com/report/github.com/k3a/html2text)
 
 # html2text