Add editorconfig for csproj

I hate Visual Studio

.editorconfig

@@ -0,0 +1,7 @@
+root = true
+
+[*.{csproj,csproj.user,props,targets}]
+indent_size = 4
+indent_style = space
+trim_trailing_whitespace = true
+tab_width = 4

SiraUtil.sln

@@ -1,12 +1,20 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 16
-VisualStudioVersion = 16.0.30907.101
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35506.116 d17.12
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SiraUtil", "SiraUtil\SiraUtil.csproj", "{1411D1AD-7AD8-4CA2-B207-46BDC66F211A}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SiraUtil.Suite", "SiraUtil.Suite\SiraUtil.Suite.csproj", "{4F7CBA8A-00ED-4B5B-99E2-98FD366699B2}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{02908368-9EC1-45AD-88ED-B09AEE7410C7}"
+	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
+		.gitignore = .gitignore
+		LICENSE = LICENSE
+		README.md = README.md
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU

SiraUtil/SiraUtil.csproj

@@ -50,7 +50,7 @@
     <ItemGroup>
         <Reference Include="0Harmony">
             <HintPath>$(BeatSaberDir)\Libs\0Harmony.dll</HintPath>
-			<Private>False</Private>
+            <Private>False</Private>
         </Reference>
         <Reference Include="BeatSaber.Init">
             <HintPath>$(BeatSaberDir)\Beat Saber_Data\Managed\BeatSaber.Init.dll</HintPath>
@@ -134,7 +134,7 @@
         </Reference>
         <Reference Include="Unity.XR.OpenXR">
             <HintPath>$(BeatSaberDir)\Beat Saber_Data\Managed\Unity.XR.OpenXR.dll</HintPath>
-			<Private>False</Private>
+            <Private>False</Private>
         </Reference>
         <Reference Include="UnityEngine">
             <HintPath>$(BeatSaberDir)\Beat Saber_Data\Managed\UnityEngine.dll</HintPath>