feat(release): support loading local .env in publish script

scripts/publish-release.ps1

@@ -27,6 +27,17 @@ if (-not (Test-Path $ZipFile)) {
     & (Join-Path $ScriptDir "package-release.ps1")
 }
 
+# .env-Datei laden falls vorhanden (ist in .gitignore)
+$EnvFile = Join-Path $ProjectRoot ".env"
+if (Test-Path $EnvFile) {
+    Get-Content $EnvFile | ForEach-Object {
+        if ($_ -match '^\s*([A-Za-z_][A-Za-z0-9_]*)\s*=\s*(.*)\s*$') {
+            $val = $matches[2].Trim('"', "'")
+            [System.Environment]::SetEnvironmentVariable($matches[1], $val, "Process")
+        }
+    }
+}
+
 # Token ermitteln (Parameter -> Environment -> Prompt)
 if (-not $Token) {
     if ($env:GITEA_TOKEN) {