Add flashing_lights field (#449)

* Add flashing_lights field

* Move `flashing_lights` to `moreFields`

data/fields/flashing_lights.json

@@ -0,0 +1,29 @@
+{
+    "key": "flashing_lights",
+    "type": "combo",
+    "label": "Flashing Lights",
+    "strings": {
+        "options": {
+            "button": {
+                "title": "Button activated",
+                "description": "Lights activated by pressing a button"
+            },
+            "always": {
+                "title": "Always flashing",
+                "description": "Lights are always flashing"
+            },
+            "sensor": {
+                "title": "Sensor activated",
+                "description": "Lights activated by a sensor"
+            },
+            "button;sensor": {
+                "title": "Button and sensor activated",
+                "description": "Lights activated by a sensor or by pressing a button"
+            },
+            "no": "No",
+            "yes": "Yes"
+        }
+    },
+    "autoSuggestions": false,
+    "customValues": false
+}

data/presets/highway/crossing/marked.json

@@ -6,6 +6,9 @@
         "crossing/island",
         "crossing_raised"
     ],
+    "moreFields": [
+        "flashing_lights"
+    ],
     "geometry": [
         "vertex"
     ],

data/presets/highway/crossing/unmarked.json

@@ -6,6 +6,9 @@
         "crossing/island",
         "crossing_raised"
     ],
+    "moreFields": [
+        "flashing_lights"
+    ],
     "geometry": [
         "vertex"
     ],

data/presets/highway/footway/marked.json

@@ -8,6 +8,9 @@
         "crossing/island",
         "crossing_raised"
     ],
+    "moreFields": [
+        "flashing_lights"
+    ],
     "geometry": [
         "line"
     ],

data/presets/highway/footway/unmarked.json

@@ -8,6 +8,9 @@
         "crossing/island",
         "crossing_raised"
     ],
+    "moreFields": [
+        "flashing_lights"
+    ],
     "geometry": [
         "line"
     ],