add badges and coverage report

.github/workflows/rust.yml

@@ -43,3 +43,24 @@ jobs:
         with:
           name: hrv-rs-build
           path: target/release/
+
+      - name: Install cargo-tarpaulin
+        run: cargo install cargo-tarpaulin
+
+      - name: Run Coverage Analysis
+        run: cargo tarpaulin --out Xml --all-targets --all-features
+        env:
+          RUSTFLAGS: "-C link-dead-code"  # Required for accurate coverage analysis
+
+      - name: Upload Coverage Report
+        uses: actions/upload-artifact@v3
+        with:
+          name: coverage-report
+          path: tarpaulin-report.xml
+
+      - name: Upload to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          files: tarpaulin-report.xml
+          fail_ci_if_error: true
+          flags: unittests

README.md

@@ -1,5 +1,8 @@
 
 # Hrv-rs
+[![Pipeline Status](https://github.com/mat-kie/hrv-rs/actions/workflows/ci.yml/badge.svg)](https://github.com/mat-kie/hrv-rs/actions/workflows/ci.yml)
+[![Coverage](https://codecov.io/gh/mat-kie/hrv-rs/branch/main/graph/badge.svg?token=YOUR_CODECOV_TOKEN)](https://codecov.io/gh/mat-kie/hrv-rs)
+
 
 **Hrv-rs** is a Rust-based application designed to analyze Heart Rate Variability (HRV) using Bluetooth Low Energy (BLE) chest straps.