removed unnecessary stuff, renamed sql folder

sql/query.sql

@@ -0,0 +1,23 @@
+-- name: GetEvent :one
+SELECT
+  *
+FROM
+  db_events
+WHERE
+  url = ?
+LIMIT
+  1;
+
+-- name: CreateEvent :exec
+INSERT INTO
+  db_events (url)
+VALUES
+  (?) ON CONFLICT (url) DO NOTHING;
+
+-- name: UpdateEvent :exec
+UPDATE db_events
+set
+  data = ?,
+  history = ?
+WHERE
+  url = ?;