feat(speedtest): results table + repo

lib/db/repos/speedtest.js

@@ -0,0 +1,12 @@
+import { pool } from '../pool.js';
+export async function record({ down_mbps, up_mbps, ping_ms = null }) {
+  const { rows } = await pool.query(
+    `INSERT INTO speedtest_results (down_mbps, up_mbps, ping_ms) VALUES ($1,$2,$3) RETURNING *`,
+    [down_mbps, up_mbps, ping_ms]);
+  return rows[0];
+}
+export async function history(limit = 30) {
+  const { rows } = await pool.query(
+    `SELECT * FROM speedtest_results ORDER BY ran_at DESC LIMIT $1`, [limit]);
+  return rows;
+}