fix: traiter le premier lot de tickets

Refs #4 #5 #6 #9 #12 #16 #18 #20

migrations/091_geocode_cache.sql

@@ -0,0 +1,7 @@
+CREATE TABLE IF NOT EXISTS geocode_cache (
+  q TEXT PRIMARY KEY,
+  lat REAL,
+  lng REAL,
+  raw_json TEXT,
+  fetched_at TEXT NOT NULL DEFAULT (datetime('now'))
+);