[backend] Add codename to assembly metadata

Iceshrimp.Backend/Core/Configuration/Config.cs

@@ -16,13 +16,23 @@ public sealed class Config
 	public sealed class InstanceSection
 	{
 		public readonly string Version;
+		public readonly string Codename;
 
 		public InstanceSection()
 		{
-			// Get version information from assembly
+			var attributes = Assembly.GetEntryAssembly()!
-			var version = Assembly.GetEntryAssembly()!
 			                         .GetCustomAttributes()
-			                      .OfType<AssemblyInformationalVersionAttribute>()
+			                         .ToList();
+
+			// Get codename from assembly
+			Codename = attributes
+			           .OfType<AssemblyMetadataAttribute>()
+			           .FirstOrDefault(p => p.Key == "codename")
+			           ?.Value ??
+			           "unknown";
+
+			// Get version information from assembly
+			var version = attributes.OfType<AssemblyInformationalVersionAttribute>()
 			                        .First()
 			                        .InformationalVersion;
 

Iceshrimp.Backend/Iceshrimp.Backend.csproj

@@ -13,6 +13,10 @@
         <GarbageCollectionAdaptationMode>1</GarbageCollectionAdaptationMode>
     </PropertyGroup>
     
+    <ItemGroup>
+        <AssemblyMetadata Include="codename" Value="alpha" />
+    </ItemGroup>
+
     <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
         <BlazorWebAssemblyOmitDebugProxyOutput>true</BlazorWebAssemblyOmitDebugProxyOutput>
         <PreserveCompilationContext>false</PreserveCompilationContext>