Add Hazardous Area preset (#952)

Also renamed `miliary=danger_area` preset to "Military Danger Area"

data/presets/boundary/hazard.json

@@ -0,0 +1,18 @@
+{
+    "icon": "fas-triangle-exclamation",
+    "fields": [
+        "name",
+        "hazard_boundary"
+    ],
+    "geometry": [
+        "area"
+    ],
+    "tags": {
+        "boundary": "hazard"
+    },
+    "terms": [
+        "danger",
+        "prohibited"
+    ],
+    "name": "Hazardous Area"
+}