add codecov badge and ci entry

.github/workflows/go.yml

@@ -10,8 +10,7 @@ on:
     branches: [ "main" ]
 
 jobs:
-
-  build:
+  test:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
@@ -20,9 +19,12 @@ jobs:
       uses: actions/setup-go@v4
       with:
         go-version: '1.20'
-
     - name: Build
       run: go build -v ./...
-
     - name: Test
       run: go test -v ./...
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v4.0.1
+       env:
+         token: ${{ secrets.CODECOV_TOKEN }}
+         slug: katzenpost/hpqc

README.md

@@ -6,7 +6,7 @@
 [![Release](https://img.shields.io/github/v/tag/katzenpost/hpqc)](https://github.com/katzenpost/hpqc/tags)
 [![Go Report Card](https://goreportcard.com/badge/github.com/katzenpost/hpqc)](https://goreportcard.com/report/github.com/katzenpost/hpqc)
 [![CI](https://github.com/katzenpost/hpqc/actions/workflows/go.yml/badge.svg)](https://github.com/katzenpost/hpqc/actions/workflows/go.yml)
-
+[![codecov](https://codecov.io/gh/katzenpost/hpqc/graph/badge.svg?token=oe7JllmnuI)](https://codecov.io/gh/katzenpost/hpqc)
 
 
 ## hybrid post quantum cryptography