Basic content repo outline.

Code's here, no tooling to generate content packs yet, however.

BuildChecker/BuildChecker.csproj

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+This is a dummy .csproj file to check things like submodules.
+Better this than other errors.
+
+If you want to create this kind of file yourself, you have to create an empty .NET application,
+Then strip it of everything until you have the <Project> tags.
+VS refuses to load the project if you make a bare project file and use Add -> Existing Project... for some reason.
+
+You want to handle the Build, Clean and Rebuild tasks to prevent missing task errors on build.
+
+If you want to learn more about these kinds of things, check out Microsoft's official documentation about MSBuild:
+https://docs.microsoft.com/en-us/visualstudio/msbuild/msbuild
+-->
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Python>python3</Python>
+    <Python Condition="'$(OS)'=='Windows_NT' Or '$(OS)'=='Windows'">py -3</Python>
+  </PropertyGroup>
+  <Target Name="Build">
+    <Exec Command="$(Python) git_helper.py" CustomErrorRegularExpression="^Error"/>
+  </Target>
+  <Target Name="Rebuild" DependsOnTargets="Build" />
+  <Target Name="Clean">
+    <Message Importance="low" Text="Ignoring 'Clean' target." />
+  </Target>
+</Project>