Initial project skeleton

Haskell backend: Orb HTTP framework, JSON-only API
Frontend: Mithril.js SPA with TypeScript, Neo Brutalism CSS
Dockerized build via flipstone/haskell-tools image

Routes:
  GET /api/health — health check

Build: ./hs stack build
Test:  ./hs stack test
Run:   ./scripts/run

README.md

@@ -0,0 +1,17 @@
+# Sis
+
+Sis (short for Sisyphus) is a todo tracker meant primarily for households, families or other groups of people with shared repeated responsibilities like chores.
+
+The goal of Sis is to make it easy for users to keep track of which tasks need to be completed and when while allowing any user to complete a given task and provide visibility to other users that a task has been completed.
+
+Sis is primarily a web application but includes push notification support for end users to notify them about upcoming/overdue tasks as well as task completion.
+
+## Frontend
+
+The Sis UI a single-page application written in Javascript using https://mithril.js.org/ and uses the "Neo Brutalism" CSS framework - https://unpkg.com/neobrutalismcss@latest
+
+Sis uses Typescript for front-end code
+
+## Backend
+
+The Sis backend is written in Haskell using Orb for the HTTP framework - https://github.com/flipstone/orb