Enhance Dockerfile and entrypoint: update Wine installation process for improved security and add integration test script for Wine and .NET

entrypoint.sh

@@ -12,6 +12,14 @@ export DOTNET_ROOT=/usr/share/
 Xvfb :99 -screen 0 1024x768x16 &
 export DISPLAY=:99.0
 
+# Initialize Wine prefix if it doesn't exist
+if [ ! -d "$WINEPREFIX" ]; then
+    echo "Initializing Wine prefix..."
+    wineboot --init
+    winetricks -q corefonts
+    echo "Wine initialization complete."
+fi
+
 # print the dotnet version on startup
 printf "\033[1m\033[33mcontainer@pelican~ \033[0mdotnet --version\n"
 dotnet --version