Use dynamic config for system names and components

- Station: Ward -> Station, Cabinet -> Desk, Table -> Desk
- Atlas: Album -> Atlas
- All templates now read from config.json for titles/taglines
- Added shunts.json and plexuses.json data files
- run.py passes system and components to all templates

cfg/standalone/data/plexuses.json

@@ -0,0 +1,3 @@
+{
+  "items": []
+}

cfg/standalone/data/shunts.json

@@ -0,0 +1,18 @@
+{
+  "items": [
+    {
+      "name": "mercadopago",
+      "slug": "mercadopago",
+      "title": "MercadoPago",
+      "status": "ready",
+      "description": "Mock payment API for testing"
+    },
+    {
+      "name": "example",
+      "slug": "example",
+      "title": "Example",
+      "status": "ready",
+      "description": "Example shunt template"
+    }
+  ]
+}