Renamed file back to BUILDING.

Author: dlemstra

CONTRIBUTING.md renamed to BUILDING.md

@@ -74,7 +74,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "files", "files", "{D6C3708D
 		.dockerignore = .dockerignore
 		.gitattributes = .gitattributes
 		.gitignore = .gitignore
-		Building.md = Building.md
+		BUILDING.md = BUILDING.md
 		CODE_OF_CONDUCT.md = CODE_OF_CONDUCT.md
 		Copyright.txt = Copyright.txt
 		Directory.Packages.props = Directory.Packages.props

Magick.NET.sln

@@ -7,7 +7,7 @@ You have two options to get the Magick.NET binaries in your project:
   - Right click on the references of your project and choose 'Manage NuGet packages'.
   - Search for Magick.NET and choose the package that uses the platform of your choice: x64/arm64/x86 or AnyCPU.
 - Build Magick.NET yourself:
-  - Instructions on how to build Magick.NET can be found [here](../Building.md).
+  - Instructions on how to build Magick.NET can be found [here](../BUILDING.md).
 
 For some formats additional software needs to be installed:
 - AI/EPS/PDF/PS requires [Ghostscript](https://www.ghostscript.com/download/gsdnld.html).