migrate to slnx

Author: FlurinBruehwiler

Flamui.sln

@@ -0,0 +1,17 @@
+<Solution>
+  <Folder Name="/.SolutionItems/">
+    <File Path=".github/workflows/ci.yml" />
+    <File Path=".github/workflows/nuget_publish.yml" />
+    <File Path=".gitignore" />
+    <File Path="README.md" />
+  </Folder>
+  <Folder Name="/Samples/">
+    <Project Path="Sample.LayoutTest/Sample.LayoutTest.csproj" />
+  </Folder>
+  <Project Path="Flamui.Components/Flamui.Components.csproj" />
+  <Project Path="Flamui.SourceGenerators.Tests/Flamui.SourceGenerators.Tests.csproj" />
+  <Project Path="Flamui.SourceGenerators/Flamui.SourceGenerators.csproj" />
+  <Project Path="Flamui.Tests/Flamui.Tests.csproj" />
+  <Project Path="Flamui/Flamui.csproj" />
+  <Project Path="Playground/Playground.csproj" />
+</Solution>