Add preset man_made=flare (#1237)

data/presets/man_made/flare.json

@@ -0,0 +1,25 @@
+{
+    "icon": "temaki-chimney",
+    "fields": [
+        "height"
+    ],
+    "moreFields": [
+        "ref",
+        "visibility"
+    ],
+    "geometry": [
+        "point",
+        "vertex"
+    ],
+    "terms": [
+        "flare stack",
+        "gas",
+        "oil",
+        "fire",
+        "burn"
+    ],
+    "tags": {
+        "man_made": "flare"
+    },
+    "name": "Gas Flare"
+}