Added batch script for generating build files

Also changed VSC launch names to be less confusing

scripts/GenBuildFiles.bat

@@ -0,0 +1,18 @@
+@echo off
+
+:: Makes sure the working directory is repo-root and not scripts/ ::
+
+for %%I in ("%~dp0.") do set "SCRIPT_DIRNAME=%%~nxI"
+
+if /i "%SCRIPT_DIRNAME%"=="scripts" (
+	cd /d "%~dp0.."
+)
+
+:: Creates and enters the build directory ::
+
+mkdir build
+cd build
+
+:: Generates the build files (uses Ninja) ::
+
+cmake .. -G Ninja