Add "Mood Metrics API" API

[mmogley]

Format: openapi
Official: true
Url: blob:https://60a259a9-2215-404a-8d40-76eff964031c.usrfiles.com/ugd/60a259_c8260b6b5f484a1894b3ac5489137148.json
Name: Mood Metrics API
Category: ai
Logo: https://wirefreethought.github.io/mood-metrics-rest-api-docs/logo.png