fix(deploy): make portal installer runtime portable

www/tools/fixtures/contabo-release-manifest-v1.json

@@ -0,0 +1,32 @@
+{
+  "contract": "AIAMarketing/contabo-vps website-release.py manifest schema",
+  "contaboCommit": "a421a7b1049244baefa8a6e52efcf97ad2dfa89f",
+  "input": {
+    "sourceCommit": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
+    "files": {
+      "index.html": "<title>Synthetic</title>",
+      "_astro/entry.abcdefgh.js": "export {}"
+    }
+  },
+  "expected": {
+    "directories": [
+      "_astro"
+    ],
+    "files": {
+      "_astro/entry.abcdefgh.js": {
+        "sha256": "f4c5cf9bb78e85f15dc27180260637cf24b2a24bc39e0788783a3accc4dde614",
+        "size": 9
+      },
+      "index.html": {
+        "sha256": "3a958d616a9a1f0d9229cff90395efb5155029a7f31d018c198c0c7d4cf28989",
+        "size": 24
+      }
+    },
+    "immutableAssets": [
+      "_astro/entry.abcdefgh.js"
+    ],
+    "schema": 1,
+    "sourceCommit": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
+    "treeSha256": "4ca2127ce195f1975cbe85fdea800fb3177972afa3a1692794ba403939288694"
+  }
+}