added Character Setup (#511)

* added Character Setup

* whoops

* reverted unrelated changes

* Made everything work post-rebase

* Removed unused PreferencesChanged event

* nope, don't need this

* HumanoidProfileEditorPanel -> HumanoidProfileEditor

* Set initial data for hair pickers

* Fixed nullable warning

* Renamed LooksComponent -> HumanoidAppearanceComponent

* Renamed LooksComponentState -> HumanoidAppearanceComponentState

* Final renaming maybe

* Use a human-like dummy instead of a real human

* Change preferences structs back to classes

Content.Server.Database/Content.Server.Database.csproj

@@ -1,5 +1,5 @@
 <Project Sdk="Microsoft.NET.Sdk">
-  <Import Project="..\RobustToolbox\MSBuild\Robust.Properties.targets"/>
+  <Import Project="..\RobustToolbox\MSBuild\Robust.Properties.targets" />
   <PropertyGroup>
     <!-- Work around https://github.com/dotnet/project-system/issues/4314 -->
     <TargetFramework>$(TargetFramework)</TargetFramework>
@@ -11,18 +11,14 @@
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
     <Nullable>enable</Nullable>
   </PropertyGroup>
-  <Import Project="..\RobustToolbox\MSBuild\Robust.DefineConstants.targets"/>
+  <Import Project="..\RobustToolbox\MSBuild\Robust.DefineConstants.targets" />
 
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="3.1.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.0"/>
-  </ItemGroup>
-
-  <ItemGroup>
-    <Folder Include="Migrations"/>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.0" />
   </ItemGroup>
 
 </Project>