Do release builds with the configure.bat

configure.bat

@@ -1,3 +1,7 @@
 @echo OFF
-echo "Configuring the build directory with cmake"
-meson w
+echo "Configuring the build directory with meson"
+if EXIST w\meson-private\coredata.dat (
+  meson setup w --reconfigure --buildtype=release
+) else (
+  meson setup w --buildtype=release
+)