added bfrd Mechanist base-class

Author: calumbell

data/v2/kobold-press/bfrd/CharacterClass.json

@@ -0,0 +1,18 @@
+[
+{
+  "fields": {
+    "caster_type": "NONE",
+    "document": "bfrd",
+    "hit_dice": "D10",
+    "name": "Mechanist",
+    "primary_abilities": [],
+    "saving_throws": [
+      "con",
+      "int"
+    ],
+    "subclass_of": null
+  },
+  "model": "api_v2.characterclass",
+  "pk": "bfrd_mechanist"
+}
+]