feat: images seed

backend/seeds/images.js

+const fs = require("fs").promises;
+
+/**
+ * @param { import("knex").Knex } knex
+ * @returns { Promise<void> }
+ */
+exports.seed = async function (knex) {
+  await knex("images").del();
+  const files = await fs.readdir("seeds/images");
+  for (const file of files) {
+    const path = `seeds/images/${file}`;
+    const data = await fs.readFile(path);
+    await knex("images").insert([
+      {
+        filename: file,
+        md5: "", // TODO
+        image: data.toString("base64"),
+      },
+    ]);
+  }
+};