add GitHub actions workflows and build docker image (#9)

* add default values for CLI args

* add development docker compose file

* prevent crash if userdata dir does not exist

* accounts, acccountStats

* account stats and create db indices

* compensations and daily runs

* ensure uniqueness of daily seed

* start on port 8001 by default for client parity

* add GitHub actions scripts and dockerfile

* add os architecture

* only build docker image on main repo

* add example compose file

.dockerignore

@@ -0,0 +1,10 @@
+/.github/
+
+Dockerfile*
+docker-compose*.yml
+
+/.data/
+/secret.key
+
+/rogueserver*
+!/rogueserver.go