Automated documentation updates

Docs/CalculatedTags.md

@@ -31,9 +31,9 @@ If 'opening\_hours' is present, it will add the current state of the feature (be
 
 Legacy for a specific project calculating the needed width for safe traffic on a road. Only activated if 'width:carriageway' is present
 
-### \_direction:simplified, \_direction:leftright
+### \_direction:numerical, \_direction:leftright
 
-\_direction:simplified turns 'camera:direction' and 'direction' into either 0, 45, 90, 135, 180, 225, 270 or 315, whichever is closest. \_direction:leftright is either 'left' or 'right', which is left-looking on the map or 'right-looking' on the map
+\_direction:numerical is a normalized, numerical direction based on 'camera:direction' or on 'direction'; it is only present if a valid direction is found (e.g. 38.5 or NE). \_direction:leftright is either 'left' or 'right', which is left-looking on the map or 'right-looking' on the map
 
 ### \_now:date, \_now:datetime, \_loaded:date, \_loaded:\_datetime
 

Docs/TagInfo/mapcomplete_surveillance.json

@@ -57,6 +57,15 @@
    "key": "camera:direction",
    "description": "Layer 'Surveillance camera's' shows and asks freeform values for key 'camera:direction' (in the MapComplete.osm.be theme 'Surveillance under Surveillance')"
   },
+  {
+   "key": "camera:direction",
+   "description": "Layer 'Surveillance camera's' shows camera:direction=&direction~^..*$ with a fixed text, namely 'Films to a compass heading of {direction}' (in the MapComplete.osm.be theme 'Surveillance under Surveillance') Picking this answer will delete the key camera:direction.",
+   "value": ""
+  },
+  {
+   "key": "direction",
+   "description": "Layer 'Surveillance camera's' shows camera:direction=&direction~^..*$ with a fixed text, namely 'Films to a compass heading of {direction}' (in the MapComplete.osm.be theme 'Surveillance under Surveillance')"
+  },
   {
    "key": "operator",
    "description": "Layer 'Surveillance camera's' shows and asks freeform values for key 'operator' (in the MapComplete.osm.be theme 'Surveillance under Surveillance')"

assets/themes/hailhydrant/license_info.json

@@ -106,4 +106,4 @@
       "https://wiki.openstreetmap.org/wiki/File:Hailhydrant-logo.svg"
     ]
   }
-]
+]

index.manifest

@@ -4,7 +4,7 @@
   "start_url": "/index.html",
   "display": "standalone",
   "background_color": "#fff",
-  "description": "An easy to use OpenStreetMap viewer and editor",
+  "description": "A thematic map viewer and editor based on OpenStreetMap",
   "orientation": "portrait-primary, landscape-primary",
   "icons": [
     {