add semantic release

Author: bahmutov

README.md

@@ -30,7 +30,7 @@ module.exports = (on, config) => {
 
 If your application is loaded Istanbul-instrumented source code, then the coverage information will be automatically saved into `.nyc_output` folder and a report will be generated after the tests finish (even in the interactive mode). Find the HTML report in the `coverage` folder.
 
-![Coverage report](images/coverage.png)
+![Coverage report](images/coverage.jpg)
 
 ## License