adding packages

deprecated/flutter_dynamic_widget/example/windows/scripts/bundle_assets_and_deps.bat

@@ -0,0 +1,44 @@
+@echo off
+
+set FLUTTER_CACHE_DIR=%~1
+set BUNDLE_DIR=%~2
+set PLUGIN_DIR=%~3
+set EXE_NAME=%~4
+set BUILD_MODE=%~5
+
+set DATA_DIR=%BUNDLE_DIR%data
+
+if not exist "%DATA_DIR%" call mkdir "%DATA_DIR%"
+if %errorlevel% neq 0 exit /b %errorlevel%
+
+:: Write the executable name to the location expected by the Flutter tool.
+echo %EXE_NAME%>"%FLUTTER_CACHE_DIR%exe_filename"
+
+:: Copy the Flutter assets to the data directory.
+set FLUTTER_BUILD_DIR=%~dp0..\..\build\
+set ASSET_DIR_NAME=flutter_assets
+set TARGET_ASSET_DIR=%DATA_DIR%\%ASSET_DIR_NAME%
+if exist "%TARGET_ASSET_DIR%" call rmdir /s /q "%TARGET_ASSET_DIR%"
+if %errorlevel% neq 0 exit /b %errorlevel%
+call xcopy /s /e /i /q "%FLUTTER_BUILD_DIR%%ASSET_DIR_NAME%" "%TARGET_ASSET_DIR%"
+if %errorlevel% neq 0 exit /b %errorlevel%
+
+:: Copy the icudtl.dat file from the Flutter tree to the data directory.
+call xcopy /y /d /q "%FLUTTER_CACHE_DIR%icudtl.dat" "%DATA_DIR%"
+if %errorlevel% neq 0 exit /b %errorlevel%
+
+:: For non-debug modes, copy app.so into the data directory.
+if not %BUILD_MODE% == "Debug" (
+  call xcopy /y /d /q "%FLUTTER_BUILD_DIR%windows\app.so" "%DATA_DIR%"
+  if %errorlevel% neq 0 exit /b %errorlevel%
+)
+
+:: Copy the Flutter DLL to the target location.
+call xcopy /y /d /q "%FLUTTER_CACHE_DIR%flutter_windows.dll" "%BUNDLE_DIR%"
+if %errorlevel% neq 0 exit /b %errorlevel%
+
+:: Copy any Plugin DLLs to the target location.
+if exist "%PLUGIN_DIR%" (
+  call xcopy /y /d /q "%PLUGIN_DIR%"*.dll "%BUNDLE_DIR%"
+  if %errorlevel% neq 0 exit /b %errorlevel%
+)

deprecated/flutter_dynamic_widget/example/windows/scripts/prepare_dependencies.bat

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+@echo off
+
+:: Run flutter tool backend.
+set BUILD_MODE=%~1
+"%FLUTTER_ROOT%\packages\flutter_tools\bin\tool_backend" windows-x64 %BUILD_MODE%