docs: add yunjia project overview README

release.ps1

@@ -0,0 +1,34 @@
+[CmdletBinding()]
+param(
+  [string]$Prefix = "v",
+  [string]$Message = "正式发布",
+  [switch]$AutoCommit,
+  [switch]$RequireClean,
+  [string]$CommitMessage,
+  [switch]$DryRun
+)
+
+Set-StrictMode -Version Latest
+$ErrorActionPreference = "Stop"
+
+$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
+$candidates = @(
+  (Join-Path $scriptDir "..\jiangchang-platform-kit\tools\release.ps1"),
+  (Join-Path $scriptDir "..\..\jiangchang-platform-kit\tools\release.ps1")
+)
+$sharedScript = $null
+foreach ($c in $candidates) {
+  $resolved = [System.IO.Path]::GetFullPath($c)
+  if (Test-Path $resolved) {
+    $sharedScript = $resolved
+    break
+  }
+}
+
+if ($null -ne $sharedScript) {
+  & $sharedScript @PSBoundParameters
+  exit $LASTEXITCODE
+}
+
+Write-Host "Release failed: jiangchang-platform-kit/tools/release.ps1 not found." -ForegroundColor Red
+exit 1