Set up package publishing for daily, manual, and release builds (#118)

* Set up a root artifacts folder for all build/test/pack output

Update CI TestResults folder

* Update package Authors and Copyright

* Lower-case extension on README.md

* Move package props to src folder. Use Version prefix and suffix props.

* Set up package publishing for daily, manual, and release builds

* Only run publishing jobs to the modelcontextprotocol/csharp-sdk repo

* Fix condition on docs workflow

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update preview wording in README to apply to the package too

* Verify packaging succeeds in the CI workflow

* Allow a version suffix override in release workflow.

* De-dupe the README between the repo and the NuGet package

* New CI work

* Do not reuse the CI workflow for releases so we can build without tests.

* Add a release process doc

* Fix bug in publishing; needs checkout step. Update comment for publish.

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

.github/workflows/docs.yml

@@ -16,9 +16,11 @@ permissions:
 concurrency:
   group: "pages"
   cancel-in-progress: false
-  
+
 jobs:
   publish-docs:
+    # Only publish from the modelcontextprotocol/csharp-sdk repository
+    if: ${{ github.repository == 'modelcontextprotocol/csharp-sdk' }}
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
@@ -42,4 +44,4 @@ jobs:
 
     - name: Deploy to GitHub Pages
       id: deployment
-      uses: actions/deploy-pages@v4
+      uses: actions/deploy-pages@v4