chore: improve screenshot scripts

.gitignore

@@ -95,3 +95,5 @@ android/app/google-services.json
 !ios/AlerteSecours/GoogleService-Info.example.plist
 !ios/AlerteSecours/Supporting/Expo.example.plist
 !android/app/google-services.example.json
+
+screenshot-*.png

package.json

@@ -45,8 +45,8 @@
     "open:deeplink:android": "yarn open:deeplink --android",
     "open:deeplink:ios": "yarn open:deeplink --ios",
     "open:deeplink": "npx uri-scheme open --android",
-    "screenshot:ios": "xcrun simctl io booted screenshot ~/Desktop/sim-screen.png",
-    "screenshot:android": "adb exec-out screencap -p > emulator-screen.png"
+    "screenshot:ios": "scripts/screenshot-ios.sh",
+    "screenshot:android": "scripts/screenshot-android.sh"
   },
   "customExpoVersioning": {
     "versionCode": 177,

scripts/screenshot-android.sh

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+exec adb -s $DEVICE exec-out screencap -p > screenshot-emulator-$(date +%s).png

scripts/screenshot-ios.sh

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+exec xcrun simctl io booted screenshot ~/Desktop/screenshot-sim-$(date +%s).png