Fix indentation in generated step definition classes (#144)

* Initial plan

* Fix indentation in generated step definition classes

Co-authored-by: 304NotModified <5808377+304NotModified@users.noreply.github.com>

* Complete indentation fix - all checks passed

Co-authored-by: 304NotModified <5808377+304NotModified@users.noreply.github.com>

* Remove accidentally committed nuget.exe binary

Co-authored-by: 304NotModified <5808377+304NotModified@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: 304NotModified <5808377+304NotModified@users.noreply.github.com>

Author: Copilot

.gitignore

@@ -271,3 +271,4 @@ launchSettings.json
 
 /Tests/ExternalPackages/Reqnroll*.nupkg
 /.ncrunch/cache/
+.nuget/nuget.exe

Reqnroll.VisualStudio/Editor/Commands/DefineStepsCommand.cs

@@ -212,7 +212,7 @@ internal static string GenerateStepDefinitionClass(
         template.AppendLine($"{classIndent}[Binding]");
         template.AppendLine($"{classIndent}public class {className}");
         template.AppendLine($"{classIndent}{{");
-        template.Append(adjustedSnippet);
+        template.AppendLine(adjustedSnippet);
         template.AppendLine($"{classIndent}}}");
 
         // Close namespace if block-scoped

Tests/Reqnroll.VisualStudio.Tests/Editor/ApprovalTestData/DefineStepsCommandTests.GenerateStepDefinitionClass.ForScenario.Reqnroll_BlockScoped.approved.txt

@@ -10,5 +10,6 @@ namespace MyNamespace.MyProject
         public void WhenIPressAdd()
         {
             throw new PendingStepException();
-        }    }
+        }
+    }
 }

Tests/Reqnroll.VisualStudio.Tests/Editor/ApprovalTestData/DefineStepsCommandTests.GenerateStepDefinitionClass.ForScenario.Reqnroll_FileScoped.approved.txt

@@ -10,4 +10,5 @@ public class Feature1StepDefinitions
     public void WhenIPressAdd()
     {
         throw new PendingStepException();
-    }}
+    }
+}

Tests/Reqnroll.VisualStudio.Tests/Editor/ApprovalTestData/DefineStepsCommandTests.GenerateStepDefinitionClass.ForScenario.SpecFlow_BlockScoped.approved.txt

@@ -10,5 +10,6 @@ namespace MyNamespace.MyProject
         public void WhenIPressAdd()
         {
             throw new PendingStepException();
-        }    }
+        }
+    }
 }

Tests/Reqnroll.VisualStudio.Tests/Editor/ApprovalTestData/DefineStepsCommandTests.GenerateStepDefinitionClass.ForScenario.SpecFlow_FileScoped.approved.txt

@@ -10,4 +10,5 @@ public class Feature1StepDefinitions
     public void WhenIPressAdd()
     {
         throw new PendingStepException();
-    }}
+    }
+}