Broken RFC link in "Cirq Triage" page

[augustehirth]

Add "https://" to first link to make it into an external link, so it resolves to
"https://bit.do/cirq-triage" instead of
"https://quantumai.google/cirq/dev/bit.do/cirq-triage".

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[vtomole]

LGTM. Please sign the CLA.

[augustehirth]

CLA is in-progress. Will have it done asap

[dabacon]

@augustehirth any word on the CLA? silly legal stuff, but would like to get this in :)

[augustehirth]

CLA status is moving forwards, but very slowly. Thanks for your patience.