refactor: monorepified && npm workspaces

sites/signpost.mareshq.com/content/sections.json

@@ -1,14 +1,22 @@
 [
   {
-    "name": "Main",
+    "name": "Main / Self-Hosted",
     "items": [
       { "name": "GitLab", "url": "https://gitlab.mareshq.com" },
-      { "name": "Post (mail)", "url": "https://post.mareshq.com" },
       { "name": "Sentry", "url": "https://sentry.mareshq.com" },
-      { "name": "MailDev", "url": "https://maildev.mareshq.com" },
+      { "name": "Uptime", "url": "https://uptime.mareshq.com" }
+    ]
+  },
+  {
+    "name": "Main / Services",
+    "items": [
       {
         "name": "Google Workspace (admin)",
         "url": "https://admin.google.com/"
+      },
+      {
+        "name": "Fakturoid",
+        "url": "https://app.fakturoid.cz/"
       }
     ]
   },
@@ -16,21 +24,20 @@
     "name": "Infra / Providers",
     "items": [
       { "name": "Cloudflare", "url": "https://dash.cloudflare.com" },
-      { "name": "Hetzner", "url": "https://console.hetzner.cloud" },
+      {
+        "name": "Hetzner Cloud",
+        "url": "https://console.hetzner.cloud"
+      },
+      {
+        "name": "Hetzner Dedicated",
+        "url": "https://robot.your-server.de"
+      },
       {
         "name": "DigitalOcean",
         "url": "https://cloud.digitalocean.com"
       },
-      { "name": "Netlify", "url": "https://netlify.com" }
-    ]
-  },
-  {
-    "name": "Infra / Servers",
-    "items": [
-      {
-        "name": "Koala (koala.vxm.cz)",
-        "url": "https://koala.vxm.cz"
-      }
+      { "name": "Netlify", "url": "https://netlify.com" },
+      { "name": "AWS", "url": "https://aws.amazon.com" }
     ]
   },
   {