allow advertising presets as a line & add message field (#785)

data/fields/message.json

@@ -0,0 +1,5 @@
+{
+    "key": "message",
+    "type": "combo",
+    "label": "Message"
+}

data/presets/advertising/poster_box.json

@@ -9,10 +9,12 @@
     "moreFields": [
         "access_simple",
         "direction",
-        "height"
+        "height",
+        "message"
     ],
     "geometry": [
-        "point"
+        "point",
+        "line"
     ],
     "tags": {
         "advertising": "poster_box"

data/presets/advertising/totem.json

@@ -7,10 +7,12 @@
     "moreFields": [
         "access_simple",
         "direction",
-        "height"
+        "height",
+        "message"
     ],
     "geometry": [
-        "point"
+        "point",
+        "line"
     ],
     "tags": {
         "advertising": "totem"