feat: add local image enhancement and lossless mod assets

frontend/src/imager/backends/index.ts

@@ -0,0 +1,11 @@
+import type { Preset } from "../presets";
+import { SwarmBackend } from "./swarm";
+import { A1111Backend } from "./a1111";
+import { ComfyBackend } from "./comfy";
+export function backend(p: Preset) {
+  switch (p.backend) {
+    case "swarm": return new SwarmBackend(p.url);
+    case "a1111": return new A1111Backend(p.url);
+    case "comfy": return new ComfyBackend(p.url);
+  }
+}