Initial commit

Connects to zwave-js, syncs all locks and codeslots with database, and records an event log. No support for updating code slots.

db/queries/lock_log.sql

@@ -0,0 +1,5 @@
+-- name: AddLogEntry :exec
+INSERT INTO lock_log (lock, state, code) VALUES (?, ?, ?);
+
+-- name: GetLogForLock :many
+SELECT * FROM lock_log WHERE lock = ? ORDER BY timestamp DESC;