Add translatable strings to tomb field (#924)

Author: kjonosm

data/fields/tomb.json

@@ -1,5 +1,21 @@
 {
     "key": "tomb",
     "type": "typeCombo",
-    "label": "Type"
+    "label": "Type",
+    "strings": {
+        "options": {
+            "columbarium": "Columbarium",
+            "crypt": "Crypt",
+            "dolmen": "Dolmen",
+            "hypogeum": "Hypogeum",
+            "mausoleum": "Mausoleum",
+            "pyramid": "Pyramid",
+            "rock-cut": "Rock-cut Tomb",
+            "sarcophagus": "Sarcophagus",
+            "table": "Table",
+            "tumulus": "Tumulus",
+            "vault": "Vault",
+            "war_grave": "Single War Grave"
+        }
+    }
 }