Migrate to slnx

Author: AlexMacocian

.github/workflows/gitlab-mirror.yaml

@@ -0,0 +1,20 @@
+name: Sync Repository to GitLab
+
+on:
+  push
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout all history
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Sync to GitLab
+      uses: keninkujovic/gitlab-sync@2.1.0
+      with:
+        gitlab_url: ${{ secrets.GITLAB_URL }}
+        username: ${{ secrets.GITLAB_USERNAME }}
+        gitlab_pat: ${{ secrets.GITLAB_PAT }}

Net.Sdk.Web.Extensions.sln

@@ -0,0 +1,19 @@
+<Solution>
+  <Folder Name="/.github/">
+    <File Path=".github/CODEOWNERS" />
+    <File Path=".github/dependabot.yml" />
+  </Folder>
+  <Folder Name="/.github/workflows/">
+    <File Path=".github/workflows/cd.yaml" />
+    <File Path=".github/workflows/ci.yaml" />
+    <File Path=".github/workflows/gitlab-mirror.yaml" />
+  </Folder>
+  <Folder Name="/Solution/">
+    <File Path="LICENSE" />
+    <File Path="README.md" />
+  </Folder>
+  <Project Path="Net.Sdk.Web.Extensions.Azure/Net.Sdk.Web.Extensions.Azure.csproj" />
+  <Project Path="Net.Sdk.Web.Extensions.SourceGenerators.Tests/Net.Sdk.Web.Extensions.SourceGenerators.Tests.csproj" />
+  <Project Path="Net.Sdk.Web.Extensions.SourceGenerators/Net.Sdk.Web.Extensions.SourceGenerators.csproj" />
+  <Project Path="Net.Sdk.Web.Extensions/Net.Sdk.Web.Extensions.csproj" />
+</Solution>