Add the Great Bear and Hops n Grains Mohali Sites

One image serves every Site, so a new Site is three small files: an inventory
entry, a vars file naming its web address and data root, and a config that seeds
its theme and first category list (baked into the image, which is why a new Site
needs a new tag).

Both reuse the directory their old static menus were served from, and the caddy
role drops the snippet the retired nginx-menu playbook wrote for each hostname,
so a deploy repoints each address at its own container with nothing else to do.

The seeded category lists are a starting point, not a decision: categories, names
and icons are all editable in each Site's own admin. A test now checks the
inventory, config and vars agree for every Site and that no config is orphaned,
because a half-added Site was the obvious way to get this wrong.

config/greatbear.site.json

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+{
+  "site": "menu.greatbear.in",
+  "brand": {
+    "name": "The Great Bear",
+    "tagline": "Craft Microbrewery",
+    "logo": "/assets/favicon.svg"
+  },
+  "theme": {
+    "steel": "#faf8f5",
+    "rail": "#f4f1ea",
+    "paper": "#ffffff",
+    "accent": "#c59b58",
+    "copper": "#b08544"
+  },
+  "sections": [
+    {
+      "slug": "food",
+      "label": "Food",
+      "shortLabel": "Food",
+      "order": 1
+    },
+    {
+      "slug": "bar",
+      "label": "Bar",
+      "shortLabel": "Bar",
+      "order": 2
+    },
+    {
+      "slug": "wine",
+      "label": "Wine",
+      "shortLabel": "Wine",
+      "order": 3
+    },
+    {
+      "slug": "straight-drinks",
+      "label": "Straight Drinks",
+      "shortLabel": "Drinks",
+      "order": 4
+    },
+    {
+      "slug": "delivery",
+      "label": "Delivery",
+      "shortLabel": "Delivery",
+      "order": 5
+    },
+    {
+      "slug": "whats-on",
+      "label": "What's On",
+      "shortLabel": "What's On",
+      "order": 6
+    }
+  ],
+  "limits": {
+    "maxUploadBytes": 31457280,
+    "maxPagesPerSet": 40
+  }
+}

config/hngmohali.site.json

@@ -0,0 +1,57 @@
+{
+  "site": "menu.hngmohali.com",
+  "brand": {
+    "name": "Hops n Grains Mohali",
+    "tagline": "Handcrafted Microbrewery",
+    "logo": "/assets/favicon.svg"
+  },
+  "theme": {
+    "steel": "#faf8f5",
+    "rail": "#f4f1ea",
+    "paper": "#ffffff",
+    "accent": "#c59b58",
+    "copper": "#b08544"
+  },
+  "sections": [
+    {
+      "slug": "food",
+      "label": "Food",
+      "shortLabel": "Food",
+      "order": 1
+    },
+    {
+      "slug": "bar",
+      "label": "Bar",
+      "shortLabel": "Bar",
+      "order": 2
+    },
+    {
+      "slug": "wine",
+      "label": "Wine",
+      "shortLabel": "Wine",
+      "order": 3
+    },
+    {
+      "slug": "straight-drinks",
+      "label": "Straight Drinks",
+      "shortLabel": "Drinks",
+      "order": 4
+    },
+    {
+      "slug": "delivery",
+      "label": "Delivery",
+      "shortLabel": "Delivery",
+      "order": 5
+    },
+    {
+      "slug": "whats-on",
+      "label": "What's On",
+      "shortLabel": "What's On",
+      "order": 6
+    }
+  ],
+  "limits": {
+    "maxUploadBytes": 31457280,
+    "maxPagesPerSet": 40
+  }
+}