Feature: iFrame widget (#2261)

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Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src/widgets/components.js

@@ -15,6 +15,7 @@ const components = {
   channelsdvrserver: dynamic(() => import("./channelsdvrserver/component")),
   cloudflared: dynamic(() => import("./cloudflared/component")),
   coinmarketcap: dynamic(() => import("./coinmarketcap/component")),
+  iframe: dynamic(() => import("./iframe/component")),
   customapi: dynamic(() => import("./customapi/component")),
   deluge: dynamic(() => import("./deluge/component")),
   diskstation: dynamic(() => import("./diskstation/component")),