docs(): small improvements

README.md

@@ -26,6 +26,12 @@ Here on screenshot you can see coverage percent (`97%`), for detailed coverage p
 
 ![tests coverage per file](./assets/images/tests_coverage_per_file.png)
 
+Here we can see statements coverage per file, you can check out job run artifacts for html report.
+
+![tests coverage html report](./assets/images/tests_coverage_report_html.png)
+
+Click here on `index.html` and you'll see complete coverage html report.
+
 ### Repository map
 
 [MAP.md](./MAP.md)
@@ -104,4 +110,4 @@ Example run:
 
 ![metrics](./assets/images/metrics.png)
 
-System metrics (gc, requests, etc.) and several business metrics (`lotty_decide_requests_total`, `lotty_events_ingested_total"`).
+System metrics (gc, requests, etc.) and several business metrics (`lotty_decide_requests_total`, `lotty_events_ingested_total`).