Initial commit: add RainOpsMini project and documentation

UpdateVersion.ps1

@@ -0,0 +1,32 @@
+param(
+    [string]$ProjectDir = $PSScriptRoot
+)
+
+$versionFile = Join-Path $ProjectDir "version.txt"
+
+if (-not (Test-Path $versionFile)) {
+    "1.0.0.0" | Out-File -Encoding utf8 $versionFile
+}
+
+$version = Get-Content $versionFile -Raw
+if ($null -eq $version) {
+    $version = "1.0.0.0"
+}
+$version = $version.Trim()
+$parts = $version.Split('.')
+
+if ($parts.Length -lt 4) {
+    $parts = @(1, 0, 0, 0)
+}
+
+# 递增最后一位 (Revision)
+try {
+    $parts[3] = [int]$parts[3] + 1
+} catch {
+    $parts[3] = 0
+}
+
+$newVersion = $parts -join "."
+$newVersion | Out-File -Encoding utf8 $versionFile
+
+Write-Output $newVersion