feat: integrate NextForm PNG logo across admin and mobile applications

apps/mobile/src/app/(tabs)/index.tsx

@@ -112,8 +112,8 @@ export default function HomeScreen() {
         <View style={styles.header}>
           <View style={{ flexDirection: "row", alignItems: "center", gap: 8 }}>
             <Image
-              source={require("../../public/nextform.png")}
-              style={{ width: 32, height: 32 }}
+              source={require("../../public/nextform-logo.png")}
+              style={{ width: 32, height: 32, resizeMode: 'contain' }}
             />
             <View>
               <Text style={styles.greeting}>{getGreeting()},</Text>