step 29 : add base 64 param in repository insert tx

app_petty_cash/android/app/src/main/AndroidManifest.xml

@@ -1,13 +1,14 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
     <application
         android:label="PettyCash"
         android:name="${applicationName}"
         android:icon="@mipmap/launcher_icon"
         android:usesCleartextTraffic="true"
         android:requestLegacyExternalStorage="true"
-        >
+    >
         <activity
             android:name=".MainActivity"
             android:exported="true"

app_petty_cash/android/app/src/main/res/xml/filepaths.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <external-path name="external_storage_directory" path="." />
+    <external-path name="external_files" path="."/>
 </resources>