New settings API (#1292)

* Add settings API

* Add playwright test

* Update README

src/types/comfy.d.ts

@@ -3,6 +3,7 @@ import { ComfyApp } from '../scripts/app'
 import type { ComfyNodeDef } from '@/types/apiTypes'
 import type { Keybinding } from '@/types/keyBindingTypes'
 import type { ComfyCommand } from '@/stores/commandStore'
+import { SettingParams } from './settingTypes'
 
 export type Widgets = Record<
   string,
@@ -43,6 +44,10 @@ export interface ComfyExtension {
    * Menu commands to add to the menu bar
    */
   menuCommands?: MenuCommandGroup[]
+  /**
+   * Settings to add to the settings menu
+   */
+  settings?: SettingParams[]
   /**
    * Allows any initialisation, e.g. loading resources. Called after the canvas is created but before nodes are added
    * @param app The ComfyUI app instance

src/types/extensionTypes.ts

@@ -37,9 +37,12 @@ export interface ExtensionManager {
   unregisterSidebarTab(id: string): void
   getSidebarTabs(): SidebarTabExtension[]
 
-  // Toast
   toast: ToastManager
   command: CommandManager
+  setting: {
+    get: (id: string) => any
+    set: (id: string, value: any) => void
+  }
 }
 
 export interface CommandManager {