Added codecov

.github/workflows/codecov_workflow.yml

@@ -0,0 +1,12 @@
+name: Codecov
+permissions: read-all
+
+on:
+    [push, pull_request]
+
+jobs:
+    build:
+        - name: Upload coverage reports to Codecov
+          uses: codecov/codecov-action@v3
+          env:
+            CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

codecov.yml

@@ -0,0 +1,10 @@
+coverage:
+  status:
+    project:
+      default:
+        target: 50%
+        threshold: 1%
+
+comment:
+    require_changes: true
+    require_ci_to_pass: false