Store processed activities in CosmosDB

[Yeetii]

• [ ] Create new CosmosDB collection for activities
• [ ] SummitedPeaks first queries #5 for users last_fetch_date
• [ ] SummitedPeaks makes two queries for activities split by last_fetch_date: processed peaks in CosmosDB and strava
• [ ] Store newly fetched peaks in DB
• [ ] Update users last_fetch_date

Make sure only access to authorized user

CosmosDB collection of processed activities:

activity_id: string user_id: string peak_ids: [string] activity_type: string

[Yeetii]

Or maybe an event stream of some kind?