fix: fix all eslint errors

src/components/Waybar/Widgets/WaybarBatteryWidget.tsx

@@ -5,7 +5,7 @@ import { lerpIcon } from "~/utils/icons";
 const ICONS = ["󰂎", "󰁺", "󰁻", "󰁼", "󰁽", "󰁾", "󰁿", "󰂀", "󰂁", "󰂂", "󰁹"];
 
 export const WaybarBatteryWidget = (props: { frequency: number }) => {
-  const [battery, setBattery] = useState(100);
+  const [battery] = useState(100);
 
   useEffect(() => {
     const interval = setInterval(() => {

src/components/Waybar/Widgets/WaybarWeatherWidget.tsx

@@ -5,10 +5,10 @@ export const WaybarWeatherWidget = () => {
   const [temperature, setTemperature] = useState<string>("??");
 
   useEffect(() => {
-    fetch("https://wttr.in/Brest?format=j1")
+    void fetch("https://wttr.in/Brest?format=j1")
       .then((response) => response.json())
-      .then((data) =>
-        setTemperature(data.current_condition[0].temp_C as string),
+      .then((data: { current_condition: Array<{ temp_C: string }> }) =>
+        setTemperature(data.current_condition[0].temp_C),
       );
   }, []);