Refactor ConnectScreen to use logo image instead of SVG, enhance EQPage with batch editing functionality for PEQ settings, and implement power off confirmation dialog in Home component. Update localization files for new power off features.

client/src/lib/luxsinApi.ts

@@ -262,6 +262,8 @@ export class LuxsinAPI {
   setXlrPolarity(reverse: boolean) { return this.setSetting({ xlr: reverse ? 1 : 0 }); }
   setDacArc(earc: boolean) { return this.setSetting({ dacArc: earc ? 1 : 0 }); }
   setBootSound(on: boolean) { return this.setSetting({ bootSound: on ? 1 : 0 }); }
+  /** Device power off — `GET .../dev/info.cgi?action=setting&power=0` */
+  powerOff() { return this.setSetting({ power: 0 }); }
 }
 
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