Create railway/signal_box preset (#1835)

Author: k-yle

data/fields/railway/signal_box.json

@@ -0,0 +1,15 @@
+{
+    "key": "railway:signal_box",
+    "type": "combo",
+    "label": "Type",
+    "strings": {
+        "options": {
+            "mechanical": "Mechanical",
+            "electric": "Electrical",
+            "track_diagram": "Digital",
+            "electronic": "Fully Automated"
+        }
+    },
+    "autoSuggestions": false,
+    "customValues": false
+}

data/presets/railway/signal_box.json

@@ -0,0 +1,30 @@
+{
+    "icon": "temaki-power_shutoff",
+    "fields": [
+        "name",
+        "railway/ref",
+        "railway/signal_box",
+        "building_area_yes"
+    ],
+    "moreFields": [
+        "railway/position"
+    ],
+    "geometry": [
+        "point",
+        "area"
+    ],
+    "tags": {
+        "railway": "signal_box"
+    },
+    "name": "Signal Box",
+    "terms": [
+        "interlock tower",
+        "interlocking tower",
+        "lever frame",
+        "radio block center",
+        "radio block centre",
+        "signal cab",
+        "signalling box",
+        "signalling cab"
+    ]
+}