Add a script to fetch a remote file

The script bootstrap.bat is able to fetch all files or a file from
https://github.com/matortheeternal/TES5Edit to lib/xedit subfolder.

bootstrap.bat

@@ -0,0 +1,82 @@
+@echo off
+setlocal enabledelayedexpansion
+
+set "DL_url=https://raw.githubusercontent.com/matortheeternal/TES5Edit/mator-zedit/"
+set "folder=lib\xedit\"
+
+:main
+if "x%1"=="x" goto usage
+if "x%1"=="xhelp" goto usage
+if "x%1"=="xall" goto all_files
+
+:single_file
+set file=%1
+set file=%file:lib\xedit\=%
+Call :Download !file!
+exit /b
+
+:all_files
+:: List of files to fetch
+set files[1]=wbBSA.pas
+set files[2]=wbDefines.inc
+set files[3]=wbDefinitionsFNV.pas
+set files[4]=wbDefinitionsFO3.pas
+set files[5]=wbDefinitionsFO4.pas
+set files[6]=wbDefinitionsTES3.pas
+set files[7]=wbDefinitionsTES4.pas
+set files[8]=wbDefinitionsTES5.pas
+set files[9]=wbHelpers.pas
+set files[10]=wbImplementation.pas
+set files[11]=wbInit.pas
+set files[12]=wbInterface.pas
+set files[13]=wbLocalization.pas
+set files[14]=wbSort.pas
+set files[15]=wbStreams.pas
+set files[16]=lz4/lz4.pas
+set files[17]=lz4/lz4Common.pas
+set files[18]=lz4/lz4frame.pas
+set files[19]=lz4/lz4frame_static.pas
+set files[20]=lz4/lz4HC.pas
+set files[21]=lz4/lz4io.pas
+set files[22]=lz4/xxHash.pas
+set files[23]=zlib/ZLibEx.inc
+set files[24]=zlib/zlibex.pas
+set files[25]=zlib/ZLibExApi.pas
+set files[26]=zlib/win32/adler32.obj
+set files[27]=zlib/win32/compress.obj
+set files[28]=zlib/win32/crc32.obj
+set files[29]=zlib/win32/deflate.obj
+set files[30]=zlib/win32/infback.obj
+set files[31]=zlib/win32/inffast.obj
+set files[32]=zlib/win32/inflate.obj
+set files[33]=zlib/win32/inftrees.obj
+set files[34]=zlib/win32/trees.obj
+set files[35]=zlib/win64/adler32.obj
+set files[36]=zlib/win64/compress.obj
+set files[37]=zlib/win64/crc32.obj
+set files[38]=zlib/win64/deflate.obj
+set files[39]=zlib/win64/infback.obj
+set files[40]=zlib/win64/inffast.obj
+set files[41]=zlib/win64/inflate.obj
+set files[42]=zlib/win64/inftrees.obj
+set files[43]=zlib/win64/trees.obj
+
+FOR /L %%i IN (1,1,43) DO (
+	Call :Download !files[%%i]!
+)
+exit /b
+::*********************************************************************************
+:Download <File>
+set "URL=%DL_url%%1"
+set "file_path=%folder%%1"
+set "file_path=!file_path:/=\!"
+echo    Downloading file "%1" from URL : "%URL%" to : "%file_path%
+Powershell.exe -command "(New-Object System.Net.WebClient).DownloadFile('%URL%','%file_path%')"
+exit /b
+::*************************************************************************
+
+:usage
+echo Usage : %0 ^<all^|file^>
+echo all : get all files from lib\xedit
+echo file : get one file, give the path from git root i.e. lib\xedit\lz4\lz4.pas or lib\xedit\wbBAS.pas
+exit /b