fix: reorder and restore XML documentation for assembly loading methods in IsolatedAssemblyLoadContext and Program classes

Author: jbrinkman

src/DotNetApiDiff/AssemblyLoading/IsolatedAssemblyLoadContext.cs

@@ -39,11 +39,6 @@ public IsolatedAssemblyLoadContext(string assemblyPath, ILogger logger)
         _logger = logger;
     }
 
-    /// <summary>
-    /// Loads an assembly with the given name
-    /// </summary>
-    /// <param name="assemblyName">The assembly name to load</param>
-    /// <returns>The loaded assembly or null if not found</returns>
     /// <summary>
     /// Additional search paths for assemblies
     /// </summary>
@@ -62,6 +57,11 @@ public void AddSearchPath(string path)
         }
     }
 
+    /// <summary>
+    /// Loads an assembly with the given name
+    /// </summary>
+    /// <param name="assemblyName">The assembly name to load</param>
+    /// <returns>The loaded assembly or null if not found</returns>
     protected override System.Reflection.Assembly? Load(AssemblyName assemblyName)
     {
         try

src/DotNetApiDiff/Program.cs

@@ -5,8 +5,16 @@
 
 namespace DotNetApiDiff;
 
+/// <summary>
+/// Main entry point for the DotNet API Diff tool
+/// </summary>
 public class Program
 {
+    /// <summary>
+    /// Application entry point
+    /// </summary>
+    /// <param name="args">Command line arguments</param>
+    /// <returns>Exit code (0 for success, non-zero for failure)</returns>
     public static async Task<int> Main(string[] args)
     {
         // Set up dependency injection
@@ -40,6 +48,10 @@ public static async Task<int> Main(string[] args)
         }
     }
 
+    /// <summary>
+    /// Configures dependency injection services
+    /// </summary>
+    /// <param name="services">Service collection to configure</param>
     private static void ConfigureServices(IServiceCollection services)
     {
         // Configure logging