Example: Canonicalize urlPattern to pattern

[paulmelnikow]

Close #2334

To avoid merge conflicts, I've deferred removing the aliasing logic in prepareExamples. That whole function will be refactored momentarily, and there's also #2339 open.

[shields-ci]

	Warnings
⚠️	This PR modified service code for ansible but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for dockbit but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for docker but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for eclipse-marketplace but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for discord but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for gem but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for github but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for gitter but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for hexpm but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for itunes but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for depfu but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for jenkins but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for ctan but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for jetbrains but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for codecov but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for librariesio but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for codeclimate but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for npm but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for codacy but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for pypi but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for clojars but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for readthedocs but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for circleci but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for requires but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for cdnjs but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for shippable but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for bitrise but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for steam but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for bitbucket but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for swagger but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for azure-devops but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for travis but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for aur but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for uptimerobot but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for appveyor but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for wercker but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for apm but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for wordpress but not its test code. That's okay so long as it's refactoring existing code.
⚠️	This PR modified service code for f-droid but not its test code. That's okay so long as it's refactoring existing code.

	Messages
📖	✨ Thanks for your contribution to Shields, @paulmelnikow!

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[chris48s]

Nice. There may be a few other lingering open PRs where we need to make this update too

[shields-deployment]

This pull request was merged to master branch. This change is now waiting for deployment, which will usually happen within a few days. Stay tuned by joining our #ops channel on Discord!

After deployment, changes are copied to gh-pages branch: