Added StyleCop.Analyzers support via Directory.build.props

Custom.ruleset

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RuleSet Name="Name" Description="Description" ToolsVersion="15.0">
+    <Rules AnalyzerId="StyleCop.Analyzers" RuleNamespace="StyleCop.Analyzers">
+    </Rules>
+</RuleSet>

Directory.Build.props

@@ -0,0 +1,13 @@
+<Project>
+    <PropertyGroup>
+        <CodeAnalysisRuleSet>../Custom.ruleset</CodeAnalysisRuleSet>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="StyleCop.Analyzers" Version="1.0.2" />
+    </ItemGroup>
+
+    <ItemGroup>
+        <AdditionalFiles Include="../stylecop.json" />
+    </ItemGroup>
+</Project>

PixiEditor.sln

@@ -11,6 +11,13 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PixiEditor.UpdateModule", "
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PixiEditorTests", "PixiEditorTests\PixiEditorTests.csproj", "{5193C1C1-8362-40FD-802B-E097E8C88082}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "BuildConfiguration", "BuildConfiguration", "{9337E60D-8425-4E87-950C-F07A09518081}"
+ProjectSection(SolutionItems) = preProject
+	stylecop.json = stylecop.json
+	Custom.ruleset = Custom.ruleset
+	Directory.Build.props = Directory.Build.props
+EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU

stylecop.json

@@ -0,0 +1,27 @@
+{
+  "$schema": "https://raw.githubusercontent.com/DotNetAnalyzers/StyleCopAnalyzers/master/StyleCop.Analyzers/StyleCop.Analyzers/Settings/stylecop.schema.json",
+  "settings": {
+    "indentation": {
+      "indentationSize": 4
+    },
+    "orderingRules": {
+      "usingDirectivesPlacement": "outsideNamespace"
+    },
+    "maintainabilityRules": {
+      "topLevelTypes": [ "class", "interface", "enum", "struct" ]
+    },
+    "readabilityRules": {
+      "allowBuiltInTypeAliases": false
+    },
+    "layoutRules": {
+      "newlineAtEndOfFile": "omit",
+      "allowConsecutiveUsings": false
+    },
+    "documentationRules": {
+      "xmlHeader": false,
+      "documentInterfaces": false,
+      "documentExposedElements": false,
+      "documentInternalElements": false
+    }
+  }
+}