fix(logo): Rename logo to tck_logo.svg and update favicon

- Renamed [LOGO] TCK.svg to tck_logo.svg (simpler filename)
- Updated Header.tsx to use new logo path
- Updated index.html favicon to use tck_logo.svg

sample_interface/src/app/components/Header.tsx

@@ -4,7 +4,7 @@ import { useSensorStore } from "../stores/sensorStore";
 import { VoltageDisplay } from "./VoltageDisplay";
 import { BatteryStatus } from "./BatteryStatus";
 import { LoginIndicator } from "./LoginIndicator";
-import TCKLogo from "../../../../logo/[LOGO] TCK.svg?react";
+import TCKLogo from "../../../../logo/tck_logo.svg?react";
 
 export function Header() {
   const [currentTime, setCurrentTime] = useState(new Date());