Add sundials to clock theme

assets/layers/clock/clock.json

@@ -47,6 +47,10 @@
               {
                 "if": "display=digital",
                 "then": "./assets/layers/clock/clock_digital.svg"
+              },
+              {
+                "if": "display=sundial",
+                "then": "./assets/layers/clock/sundial.svg"
               }
             ]
           }
@@ -562,6 +566,9 @@
       ]
     }
   ],
+  "filter": [
+    "display"
+  ],
   "deletion": true,
   "allowMove": true
 }

assets/layers/clock/license_info.json

@@ -16,5 +16,15 @@
       "Robin van der Linde"
     ],
     "sources": []
+  },
+  {
+    "path": "sundial.svg",
+    "license": "CC0-1.0",
+    "authors": [
+      "OpenClipArt"
+    ],
+    "sources": [
+      "https://commons.wikimedia.org/wiki/File:Sundial_2r.jpg "
+    ]
   }
 ]