fix(ci): add missing source.extension.cs and DeployExtension property

- Add source.extension.cs for GHA-VSVsixVersioner action
- Add DeployExtension property to csproj for CI builds

Author: CalvinAllen

src/CodingWithCalvin.GitRanger/CodingWithCalvin.GitRanger.csproj

@@ -25,6 +25,7 @@
     <UseCodebase>true</UseCodebase>
     <LangVersion>latest</LangVersion>
     <Nullable>enable</Nullable>
+    <DeployExtension Condition="'$(DeployExtension)' == ''">true</DeployExtension>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -56,6 +57,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="GitRangerPackage.cs" />
+    <Compile Include="source.extension.cs" />
     <Compile Include="Commands\BlameCommands.cs" />
     <Compile Include="Commands\HistoryCommands.cs" />
     <Compile Include="Commands\GraphCommands.cs" />

src/CodingWithCalvin.GitRanger/source.extension.cs

@@ -0,0 +1,13 @@
+namespace CodingWithCalvin.GitRanger
+{
+    internal sealed partial class Vsix
+    {
+        public const string Id = "CodingWithCalvin.VS-GitRanger";
+        public const string Name = "Git Ranger";
+        public const string Description = "A visually striking Git management extension for Visual Studio with inline blame, gutter annotations, and visual git graph.";
+        public const string Language = "en-US";
+        public const string Version = "1.0.0.0";
+        public const string Author = "Calvin A. Allen";
+        public const string Tags = "git, blame, history, graph, scm, source control";
+    }
+}