README.md badges update; added codecov

.github/workflows/coverage.yml

@@ -0,0 +1,23 @@
+name: coverage
+
+on: [push]
+jobs:
+  test:
+    name: coverage
+    runs-on: ubuntu-latest
+    container:
+      image: xd009642/tarpaulin:develop-nightly
+      options: --security-opt seccomp=unconfined
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Generate code coverage
+        run: |
+          cargo +nightly tarpaulin --verbose --all-features --workspace --timeout 120 --out xml
+
+      - name: Upload to codecov.io
+        uses: codecov/codecov-action@v2
+        with:
+          token: ${{secrets.CODECOV_TOKEN}}
+          fail_ci_if_error: true

README.md

@@ -1,7 +1,9 @@
 [![Crates.io](https://img.shields.io/crates/v/recaptcha-verify?color=4d76ae)](https://crates.io/crates/recaptcha-verify)
 [![API](https://docs.rs/recaptcha-verify/badge.svg)](https://docs.rs/recaptcha-verify)
-[![Build and Test](https://github.com/iganev/recaptcha-verify/actions/workflows/rust.yml/badge.svg)](https://github.com/iganev/recaptcha-verify/actions/workflows/rust.yml)
 [![dependency status](https://deps.rs/repo/github/iganev/recaptcha-verify/status.svg)](https://deps.rs/repo/github/iganev/recaptcha-verify)
+[![Build and Test](https://github.com/iganev/recaptcha-verify/actions/workflows/rust.yml/badge.svg)](https://github.com/iganev/recaptcha-verify/actions/workflows/rust.yml)
+[![codecov](https://codecov.io/github/iganev/recaptcha-verify/graph/badge.svg?token=B5P2TAV5BB)](https://codecov.io/github/iganev/recaptcha-verify)
+
 
 # recaptcha-verify
 Simple, bare-minimum recaptcha verifier helper