Make 0.Index alphabetically sorted again

Like any good index, it has an inherent (alphabetical) order.
Unfortunately, this was missed when a new item was added recently.

Using my teutonic thoroughness, I set the order right again.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

0.-Index.md

@@ -24,6 +24,7 @@ This is for the poor souls in corporate IE environments who can't expand the pag
 * [Issue reporting guidelines](https://github.com/git-for-windows/git/wiki/Issue-reporting-guidelines)
 * [Making a portable Git](https://github.com/git-for-windows/git/wiki/Making-a-portable-Git)
 * [Making an installer](https://github.com/git-for-windows/git/wiki/Making-an-installer)
+* [Mapping between Git Installer GUI Settings And Command Line Arguments](https://github.com/git-for-windows/git/wiki/Mapping-between-Git-Installer-GUI-Settings-And-Command-Line-Arguments)
 * [Merge Conflicts Resolving and Remembering them](https://github.com/git-for-windows/git/wiki/Merge-Conflicts---Resolving-and-Remembering-them)
 * [MinGit is Git for Windows Applications](https://github.com/git-for-windows/git/wiki/MinGit)
 * [MSYS2 Notes](https://github.com/git-for-windows/git/wiki/MSYS2-Notes)
@@ -35,7 +36,6 @@ This is for the poor souls in corporate IE environments who can't expand the pag
 * [Running Git's regression tests](https://github.com/git-for-windows/git/wiki/Running-Git's-regression-tests)
 * [Setting your Core.Editor ( e.g. Notepad )](https://github.com/git-for-windows/git/wiki/Setting-your-Core.Editor-(-e.g.-Notepad-))
 * [Silent or Unattended Installation](https://github.com/git-for-windows/git/wiki/Silent-or-Unattended-Installation)
-* [Mapping between Git Installer GUI Settings And Command Line Arguments](https://github.com/git-for-windows/git/wiki/Mapping-between-Git-Installer-GUI-Settings-And-Command-Line-Arguments)
 * [Sourcetrail code viewer and linkage to Visual Studio, for Git](https://github.com/git-for-windows/git/wiki/Sourcetrail-code-viewer-and-linkage-to-Visual-Studio,-for-Git)
 * [Symbolic Links](https://github.com/git-for-windows/git/wiki/Symbolic-Links)
 * [Technical overview](https://github.com/git-for-windows/git/wiki/Technical-overview)