add field for the "two_sided=yes" tag

see https://github.com/openstreetmap/iD/issues/9329#issuecomment-1270589307

data/fields/crossing_raised.json

@@ -13,11 +13,5 @@
             "undefined": "No",
             "table": "Yes"
         }
-    },
-    "terms": [
-        "flat top",
-        "hump",
-        "speed",
-        "slow"
-    ]
+    }
 }

data/fields/two_sided.json

@@ -0,0 +1,17 @@
+{
+    "key": "two_sided",
+    "type": "defaultCheck",
+    "label": "Two-Sided",
+    "terms": [
+        "double-sided"
+    ],
+    "geometry": [
+        "line"
+    ],
+    "strings": {
+        "options": {
+            "undefined": "No",
+            "yes": "Yes"
+        }
+    }
+}

data/presets/barrier/city_wall.json

@@ -4,6 +4,10 @@
         "height",
         "material"
     ],
+    "moreFields": [
+        "{barrier}",
+        "two_sided"
+    ],
     "geometry": [
         "line",
         "area"

data/presets/barrier/guard_rail.json

@@ -3,6 +3,10 @@
     "fields": [
         "material"
     ],
+    "moreFields": [
+        "{barrier}",
+        "two_sided"
+    ],
     "geometry": [
         "line"
     ],

data/presets/barrier/kerb.json

@@ -3,7 +3,8 @@
     "fields": [
         "kerb",
         "tactile_paving",
-        "wheelchair"
+        "wheelchair",
+        "two_sided"
     ],
     "moreFields": [
         "material"