Add Roslyn analyzers and source generators skill 🤖🤖🤖

docs/README.skills.md

@@ -366,6 +366,7 @@ See [CONTRIBUTING.md](../CONTRIBUTING.md#adding-skills) for guidelines on how to
 | [review-and-refactor](../skills/review-and-refactor/SKILL.md)<br />`gh skills install github/awesome-copilot review-and-refactor` | Review and refactor code in your project according to defined instructions | None |
 | [reviewing-oracle-to-postgres-migration](../skills/reviewing-oracle-to-postgres-migration/SKILL.md)<br />`gh skills install github/awesome-copilot reviewing-oracle-to-postgres-migration` | Identifies Oracle-to-PostgreSQL migration risks by cross-referencing code against known behavioral differences (empty strings, refcursors, type coercion, sorting/collations, UNION ALL planner risks, materialized-view refresh requirements, timestamps, concurrent transactions, etc.). Use when planning a database migration, reviewing migration artifacts, or validating that integration tests cover Oracle/PostgreSQL differences. | `references/REFERENCE.md`<br />`references/empty-strings-handling.md`<br />`references/no-data-found-exceptions.md`<br />`references/oracle-nvl-decode-functions.md`<br />`references/oracle-parentheses-from-clause.md`<br />`references/oracle-rownum-pagination.md`<br />`references/oracle-sysdate-sequences-dual.md`<br />`references/oracle-to-postgres-sorting.md`<br />`references/oracle-to-postgres-timestamp-timezone.md`<br />`references/oracle-to-postgres-to-char-numeric.md`<br />`references/oracle-to-postgres-type-coercion.md`<br />`references/postgres-concurrent-transactions.md`<br />`references/postgres-materialized-view-refresh.md`<br />`references/postgres-refcursor-handling.md`<br />`references/postgres-union-all-planner.md` |
 | [rhino3d-scripts](../skills/rhino3d-scripts/SKILL.md)<br />`gh skills install github/awesome-copilot rhino3d-scripts` | Authoring and debugging scripts for Rhinoceros 3D (Rhino 8 and later). Use when asked to write RhinoScript (VBScript / .rvb / .vbs), RhinoPython, or RhinoCommon-based scripts; automate Rhino modeling tasks; build command macros; manipulate Rhino geometry, layers, blocks, or document objects; pick objects from the viewport; control redraw and undo; or load and run scripts from the Rhino Script Editor. Covers `rhinoscriptsyntax`, `scriptcontext`, the `Rhino.*` RhinoCommon namespaces (`Rhino.Geometry`, `Rhino.DocObjects`, `Rhino.Input`, `Rhino.UI`, `Rhino.Display`, `Rhino.FileIO`), and the Rhino 8 unified Script Editor. | `references/macros-and-loading.md`<br />`references/rhinocommon-map.md`<br />`references/rhinoscriptsyntax-cheatsheet.md`<br />`references/vbscript-quirks.md` |
+| [roslyn-analyzers](../skills/roslyn-analyzers/SKILL.md)<br />`gh skills install github/awesome-copilot roslyn-analyzers` | Build, review, debug, package, and test Roslyn diagnostic analyzers, code fix providers, and incremental source generators. Use for DiagnosticAnalyzer, CodeFixProvider, IIncrementalGenerator, IOperation analysis, Microsoft.CodeAnalysis dependency pinning, Roslyn test harnesses, C#/VB tests, and analyzer NuGet packaging. | `references/CSharpCodeFixVerifier.cs`<br />`references/SourceWriter.cs` |
 | [roundup](../skills/roundup/SKILL.md)<br />`gh skills install github/awesome-copilot roundup` | Generate personalized status briefings on demand. Pulls from your configured data sources (GitHub, email, Teams, Slack, and more), synthesizes across them, and drafts updates in your own communication style for any audience you define. | None |
 | [roundup-setup](../skills/roundup-setup/SKILL.md)<br />`gh skills install github/awesome-copilot roundup-setup` | Interactive onboarding that learns your communication style, audiences, and data sources to configure personalized status briefings. Paste in examples of updates you already write, answer a few questions, and roundup calibrates itself to your workflow. | `references/config-template.md` |
 | [ruby-mcp-server-generator](../skills/ruby-mcp-server-generator/SKILL.md)<br />`gh skills install github/awesome-copilot ruby-mcp-server-generator` | Generate a complete Model Context Protocol server project in Ruby using the official MCP Ruby SDK gem. | None |