[CHO] Images into a folder

README.md

@@ -91,7 +91,7 @@ The file of this project define 4 stages:
   - control: final steps, does nothing but echoing a string.
 
 
-![project's pipeline](./project_pipeline.jpg "project's pipeline")
+![project's pipeline](./img/project_pipeline.jpg "project's pipeline")
 
 
 ## Set the variable
@@ -122,7 +122,9 @@ button.
 
 Once the deploy stage is finished, you should be able to see the release:
 
-![project's release](./release.png "project's release")
+![project's release](./img/release.png "project's release")
 
 Also, you can manually continue the pipeline by clicking "Deploy to production"
 — wait few seconds and the whole pipeline should turn green.
+
+![pipeline's pass](./img/passed.png "pipeline's pass")