chore: Migrate to slnx format

Capella87 · Capella87 · commit 7611757c6c8f · 2026-01-05T14:16:59.000+09:00
diff --git a/.editorconfig b/.editorconfig
@@ -7,8 +7,5 @@ indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true
 
-[*.{sln}]
-charset = utf-8-bom
-
 [*.{json,md,js,ts,jsx,tsx,yml,yaml,html,css,scss,htm,xml}]
 indent_size = 2
diff --git a/FixNormalization.sln b/FixNormalization.sln
diff --git a/FixNormalization.slnx b/FixNormalization.slnx
@@ -0,0 +1,8 @@
+<Solution>
+  <Folder Name="/src/">
+    <Project Path="src/FixNormalization/FixNormalization.csproj" />
+  </Folder>
+  <Folder Name="/tests/">
+    <Project Path="tests/FixNormalization.Tests/FixNormalization.Tests.csproj" />
+  </Folder>
+</Solution>
