WIP build pipeline

.github/workflows/main.yaml

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+name: Package for release
+
+on:
+  release:
+    types:
+      - released
+  pull_request:
+    types:
+      - ready_for_review
+
+jobs:
+  plan:
+    name: Calculate package versions
+    runs-on: ubuntu-latest
+    outputs: 
+      versionManifest: ${{ steps.versionManifest.outputs.versionManifest }}
+    steps:
+      - uses: actions/checkout@v4
+        name: Checkout
+      - uses: actions/cache@v4
+      - name: Get version manifest
+        shell: pwsh
+        id: versionManifest
+        run: |
+          Import-Module -Force .\Get-Versions.psm1
+          Write-Output "::debug::Generating package versions"
+          $versionManifest = Get-Versions
+          "versionManifest=$versionManifest" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
+          $summary = "### Version manifest `r`n" + '```json' + "`r`n" + $versionManifest + "`r`n" + '````'
+          $summary | Out-File -FilePath $env:GITHUB_STEP_SUMMARY -Append
+  build-release:
+    needs: 
+      - plan
+    if: ${{ fromJson(needs.plan.outputs.versionManifest != null && github.event_name == 'release' }}
+    name: Build for (${{ matrix.os }})
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [windows, ubuntu]
+    environment: release
+    steps:
+      - uses: actions/checkout@v4
+        name: Checkout
+      - uses: actions/setup-dotnet@v4
+        name: Setup dotnet cli
+        with:
+          global-json-file: global.json
+          cache: true
+      - name: Build and restore
+        shell: pwsh
+
+

Get-Versions.psm1

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+function Get-Versions {
+    $versionFiles = Get-Item -Path src/**/version.yaml | Select-Object -ExpandProperty FullName
+    Write-Debug "Found the following version files:"
+    $versionFiles | ForEach-Object { $_ | Write-Debug }
+
+    $packageVersions = @{}
+    $versionFiles | ForEach-Object {
+        Write-Debug "Reading version file $_"
+        $packageName = Split-Path $_ -Parent | Split-Path -Leaf
+        $yamlVersion = (Get-Content $_ | ConvertFrom-Yaml).version
+        $semver = '{0}.{1}.{2}' -f $yamlVersion.major, $yamlVersion.minor, $yamlVersion.patch
+        $assemblyVersion = $semver + ".0"
+
+        $packageVersions[$packageName] = @{ 'SemVer' = $semver; 'AssemblyVersion' = $assemblyVersion; 'Root' = $(Split-Path $_ -Parent)}
+    }
+
+    $packageVersions | ConvertTo-Json | Write-Output
+}
+
+Install-Module -Name powershell-yaml -Force -AcceptLicense
+Export-ModuleMember -Function Get-Versions