Add RESX migration skill to C# plugin (#2812)

.github/plugin/marketplace.json

@@ -441,7 +441,7 @@
       "name": "csharp-dotnet-development",
       "source": "plugins/csharp-dotnet-development",
       "description": "Essential prompts, instructions, and chat modes for C# and .NET development including testing, documentation, and best practices.",
-      "version": "1.1.0"
+      "version": "1.2.0"
     },
     {
       "name": "database-data-management",

docs/README.plugins.md

@@ -50,7 +50,7 @@ See [CONTRIBUTING.md](../CONTRIBUTING.md#adding-plugins) for guidelines on how t
 | [context-matic](../plugins/context-matic/README.md) | Coding agents hallucinate APIs. ContextMatic gives them curated, versioned API and SDK docs. Ask your agent to "integrate the payments API" and it guesses — falling back on outdated training data and generic patterns that don't match your actual SDK. ContextMatic solves this by giving the agent deterministic, version-aware, SDK-native context at the exact moment it's needed. | 2 items | api-context, api-integration, mcp, sdk, apimatic, third-party-apis, sdks |
 | [convert-to-md](../plugins/convert-to-md/README.md) | A collection of Copilot skills that convert common document formats into Markdown so their contents can be accurately analyzed, summarized, searched, or extracted from. Just tell Copilot what you need — the right skill is invoked automatically and the conversion happens behind the scenes. | 3 items | skills, configuration, copilot, convert-word-to-md, convert-excel-to-md, convert-pdf-to-md |
 | [copilot-sdk](../plugins/copilot-sdk/README.md) | Build applications with the GitHub Copilot SDK across multiple programming languages. Includes comprehensive instructions for C#, Go, Node.js/TypeScript, and Python to help you create AI-powered applications. | 1 items | copilot-sdk, sdk, csharp, go, nodejs, typescript, python, ai, github-copilot |
-| [csharp-dotnet-development](../plugins/csharp-dotnet-development/README.md) | Essential prompts, instructions, and chat modes for C# and .NET development including testing, documentation, and best practices. | 9 items | csharp, dotnet, aspnet, testing |
+| [csharp-dotnet-development](../plugins/csharp-dotnet-development/README.md) | Essential prompts, instructions, and chat modes for C# and .NET development including testing, documentation, and best practices. | 10 items | csharp, dotnet, aspnet, testing |
 | [database-data-management](../plugins/database-data-management/README.md) | Database administration, SQL optimization, and data management tools for PostgreSQL, SQL Server, and general database development best practices. | 6 items | database, sql, postgresql, sql-server, dba, optimization, queries, data-management |
 | [dataverse-sdk-for-python](../plugins/dataverse-sdk-for-python/README.md) | Comprehensive collection for building production-ready Python integrations with Microsoft Dataverse. Includes official documentation, best practices, advanced features, file operations, and code generation prompts. | 4 items | dataverse, python, integration, sdk |
 | [devops-oncall](../plugins/devops-oncall/README.md) | A focused set of prompts, instructions, and a chat mode to help triage incidents and respond quickly with DevOps tools and Azure resources. | 3 items | devops, incident-response, oncall, azure |

plugins/csharp-dotnet-development/README.md

@@ -23,6 +23,7 @@ copilot plugin install csharp-dotnet-development@awesome-copilot
 | `/csharp-dotnet-development:csharp-tunit` | Get best practices for TUnit unit testing, including data-driven tests |
 | `/csharp-dotnet-development:dotnet-best-practices` | Ensure .NET/C# code meets best practices for the solution/project. |
 | `/csharp-dotnet-development:dotnet-upgrade` | Ready-to-use prompts for comprehensive .NET framework upgrade analysis and execution |
+| `/csharp-dotnet-development:resx-source-generator-migration` | Migrates a project that uses checked-in .designer.cs files behind .resx to using a source-generator instead |
 
 ### Agents
 

plugins/csharp-dotnet-development/plugin.json

@@ -2,7 +2,7 @@
   "$schema": "https://agent-plugins.org/schemas/1.0.0/plugin.schema.json",
   "name": "csharp-dotnet-development",
   "description": "Essential prompts, instructions, and chat modes for C# and .NET development including testing, documentation, and best practices.",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "author": {
     "name": "Awesome Copilot Community"
   },
@@ -27,7 +27,8 @@
         "./skills/csharp-tunit/",
         "./skills/csharp-xunit/",
         "./skills/dotnet-best-practices/",
-        "./skills/dotnet-upgrade/"
+        "./skills/dotnet-upgrade/",
+        "./skills/resx-source-generator-migration/"
       ]
     }
   }