Add codecov.yml file

codecov.yml

@@ -0,0 +1,15 @@
+codecov:
+ require_ci_to_pass: yes
+ notify:
+   wait_for_ci: yes
+coverage:
+ status:
+   project: # checks the effect for the overall code coverage rate of the repository.
+     default:
+       enabled: yes
+       threshold: null
+       target: auto
+   patch:  # This status indicates the extent of code coverage achieved by the pull request.
+     default:
+       target: 80%
+       threshold: 50% # With a target of 80% and a threshold of 50%, the acceptable coverage range is 50% to 80%.