chore(demo): add examples to demo app

[andrewseguin]

This was merged and reverted: #10743, #11017

Forgot that this is broken until rc.6 due to an Angular issue: angular/angular#23440

Can be merged after we update to rc.6

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Adds all examples to an example page on the demo app.

[jelbourn]

LGTM

[ngbot]

I see that you just added the pr: merge ready label, but the following checks are still failing:
     missing required label: "release: *"
     status "continuous-integration/travis-ci/pr" is failing
     2 pending code reviews

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