add badges to readme and add coverage workflow

Author: hahnavi

.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:
+      - uses: actions/checkout@v4
+
+      - name: Generate coverage report
+        run: |
+          cargo +nightly tarpaulin --verbose --out Xml
+
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{secrets.CODECOV_TOKEN}}
+          fail_ci_if_error: false

.github/workflows/rust.yml

@@ -1,4 +1,4 @@
-name: Rust CI
+name: Build
 
 on:
   push:

README.md

@@ -3,6 +3,14 @@
 # Komandan
 ##### Your army commander
 
+[![Build Status]][github-actions] [![License:MIT]][license]
+
+[Build Status]: https://github.com/hahnavi/komandan/actions/workflows/rust.yml/badge.svg
+[github-actions]: https://github.com/hahnavi/komandan/actions
+[License:MIT]: https://img.shields.io/badge/License-MIT-yellow.svg
+[license]: https://github.com/hahnavi/komandan/blob/master/LICENSE
+
+
 </div>
 
 Komandan is a server automation tool that uses Lua programming language interface. It connects to target servers via SSH, following Ansible's approach for its simplicity and agentless operation on managed servers.