Replace build badge doc with reference to new CI/CD Pipelines settings

doc/ci/quick_start/README.md

@@ -220,11 +220,7 @@ For more information read the
 ## Builds badge
-You can access a builds badge image using following link:
-
-```
-http://example.gitlab.com/namespace/project/badges/branch/build.svg
-```
+You can generate a build badge suitable for project README files by going to **Settings > CI/CD Pipelines** for your project. It will look something like: ![build:success](img/build.svg)
 Awesome! You started using CI in GitLab!

doc/ci/quick_start/img/build.svg

+<svg xmlns="http://www.w3.org/2000/svg" width="91" height="20"><linearGradient id="b" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><mask id="a"><rect width="91" height="20" rx="3" fill="#fff"/></mask><g mask="url(#a)"><path fill="#555" d="M0 0h37v20H0z"/><path fill="#4c1" d="M37 0h54v20H37z"/><path fill="url(#b)" d="M0 0h91v20H0z"/></g><g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11"><text x="18.5" y="15" fill="#010101" fill-opacity=".3">build</text><text x="18.5" y="14">build</text><text x="63" y="15" fill="#010101" fill-opacity=".3">success</text><text x="63" y="14">success</text></g></svg>
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