add first thoughts

README.md

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+# Stationslauf
+
+## Techstack
+
+- Rust + Axum as backend
+- Maud as template engine
+- sqlite as DB
+- HTMX as frontend
+
+## DB Modell
+
+- group
+	- id
+	- name
+	- 'pfadigruppe'
+	- notes
+	- amount_people
+	- first_station_id -> station
+- station
+	- id
+	- name
+	- amount_people
+	- last_login
+	- pw (6-8 auto-generated chars, printed on qr code)
+	- lat/lng
+- group_station
+	- group_id
+	- station_id
+	- points
+	- notes
+	- arrived_at
+	- started_at
+	- left_at
+- path
+	- id
+	- name // e.g. 'wiwö'
+- path_station // TODO: better name
+	- path_id
+	- station_id
+	- pos // arrange stations on the path, second order -> station_id?
+
+	
+## Fancy features
+- see when a group starts going to your direction
+- QR codes for groups, stations can then scan it?
+- View all groups: where have they last made contact with *any* station?
+- View single group: which stations are they still missing?
+- Rangliste