chore: add payload and some fixes

payload.config.ts

@@ -0,0 +1,20 @@
+import path from "path";
+
+import { mongooseAdapter } from "@payloadcms/db-mongodb"; // database-adapter-import
+import { slateEditor } from "@payloadcms/richtext-slate"; // editor-import
+import { buildConfig } from "payload/config";
+
+export default buildConfig({
+  editor: slateEditor({}), // editor-config
+  collections: [],
+  secret: "asdfasdf",
+  typescript: {
+    outputFile: path.resolve(__dirname, "payload-types.ts"),
+  },
+  graphQL: {
+    schemaOutputFile: path.resolve(__dirname, "generated-schema.graphql"),
+  },
+  db: mongooseAdapter({
+    url: "mongodb://localhost:27017/next-payload-3",
+  }),
+});