Create preset for "Barangay Hall".

A "barangay" in the Philippines is the smallest administrative government unit. According to [taginfo](https://taginfo.openstreetmap.org/tags/townhall%3Atype=barangay#overview), "barangay" is the third most used value for `townhall:type`, and one of the most popular POI added by mappers from the Philippines.

data/presets/amenity/townhall/barangay-PH.json

@@ -0,0 +1,29 @@
+{
+    "icon": "fas-building-flag",
+    "locationSet": {
+        "include": [
+            "ph"
+        ]
+    },
+    "geometry": [
+        "point",
+        "area"
+    ],
+    "terms": [
+        "barrior hall"
+    ],
+    "tags": {
+        "amenity": "townhall",
+        "townhall:type": "barangay"
+    },
+    "addTags": {
+        "amenity": "townhall",
+        "townhall:type": "barangay",
+        "admin_level": "10"
+    },
+    "reference": {
+        "key": "amenity",
+        "value": "townhall"
+    },
+    "name": "Barangay Hall"
+}