Configure Verify snapshot files and add VerifyChecksTests

Added .editorconfig and .gitattributes rules for Verify snapshot files to enforce UTF-8 BOM encoding and LF line endings. Updated .gitignore to exclude *.received.* files and folders. Introduced VerifyChecksTests to run snapshot verification in tests.

Author: IeuanWalker

.editorconfig

@@ -306,3 +306,13 @@ dotnet_diagnostic.S1643.severity = silent      # Strings should not be concatena
 dotnet_diagnostic.S2344.severity = none        # Enumeration type names should not have "Flags" or "Enum" suffixes
 dotnet_diagnostic.S3358.severity = silent      # Ternary operators should not be nested
 dotnet_diagnostic.S1121.severity = none        # Assignments should not be made from within sub-expressions
+
+# Verify
+[*.{received,verified}.{cs,txt}]
+charset = utf-8-bom
+end_of_line = lf
+indent_size = unset
+indent_style = unset
+insert_final_newline = false
+tab_width = unset
+trim_trailing_whitespace = false

.gitattributes

@@ -61,3 +61,7 @@
 #*.PDF   diff=astextplain
 #*.rtf   diff=astextplain
 #*.RTF   diff=astextplain
+
+# Verify
+*.verified.cs text eol=lf working-tree-encoding=UTF-8
+*.verified.txt text eol=lf working-tree-encoding=UTF-8

.gitignore

@@ -360,4 +360,8 @@ MigrationBackup/
 .ionide/
 
 # Fody - auto-generated XML schema
-FodyWeavers.xsd
+FodyWeavers.xsd
+
+# Verify
+*.received.*
+*.received/

tests/IeuanWalker.MinimalApi.Endpoints.Generator.Tests/ModuleInitializer.cs

@@ -11,3 +11,9 @@ public static void Init()
 		VerifySourceGenerators.Initialize();
 	}
 }
+
+public sealed class VerifyChecksTests
+{
+	[Fact]
+	public Task Run() => VerifyChecks.Run();
+}