initial commit of some ideas, with original tutorial data, to be replaced

RoadMap

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+# Roadmap
+
+## Functionality
+
+For a given Mastodon user, periodically request the list of followed and
+followers including number of each and the user
+
+
+## Authentication
+
+A Mastodon user uses the app to specify a Mastodon handle and server. On
+request, the user authorises the app, returning the user to app which then
+starts to process data, creating the starting point.
+
+## Data Objects for a user
+
+* Followers: a record of each follower including address (@handle@server), full name, and date of follow
+(addition?) and unfollow (if any).
+* Posts: a record of each post including id, timestamp, and (sanitised?) content
+* Boosts: a record of each boost, user, post id, number users followers
+* Likes: a record of each like, user, post id
+* Mentions: a record of each mention including post ID
+
+
+### Derived Data
+
+* current number of followers
+* servers with followers
+* new followers in past period (hour, day, week)
+* lost followers in past period (hour, day, week)
+* most boosted post
+* most liked post
+* post seen by most people (boosts * number of followers of each booster)
+
+## Development Technologies
+
+My goal with this app is to exercise some technologies I've long wanted to get
+experience with:
+- Svelte
+- SvelteKit
+- PostgREST (PostgreSQL + a REST framework)