fix(scanner): fixes to be more clear that you need to scan a command to start

closes #16

lstMobile/src/components/LSTScanner.tsx

@@ -195,7 +195,11 @@ export default function LSTScanner() {
 					{!lastScan ? (
 						<View style={{ marginTop: 10, alignItems: "center" }}>
 							<Text className="text-xl font-bold">Ready to scan</Text>
-							<Text>Waiting for first scan...</Text>
+							<Text>Please Scan a command to start scanning...</Text>
+							<Text className="text-sm">
+								Scanning a label could cause errors due to incorrect previous
+								command scanned
+							</Text>
 						</View>
 					) : (
 						<View