Lexicons, use primary types, move title to defs

So I sort of used "object" instead of "record" because I thought key was
an option type ^_^

So I had to fix that.

Also moves title to defs because it is not supposed to be a record

lexicons/my/spoor/content/defs.json

@@ -0,0 +1,31 @@
+{
+  "lexicon": 1,
+  "id": "my.spoor.content.defs",
+  "defs": {
+    "title": {
+      "type": "object",
+      "properties": {
+        "translationType": { 
+          "type": "string",
+          "format": "nsid",
+          "knownValues": [
+            "my.spoor.content.defs#titleHomophonic",
+            "my.spoor.content.defs#titleNative",
+            "my.spoor.content.defs#titleTranslation"
+          ]
+        },
+        "lang": {
+          "type": "string",
+          "format": "language"
+        },
+        "value": { "type": "string", "minLength": 1 }
+      }
+    },
+    "titleHomophonic": { "type": "token",
+      "description": "A phonetic transcription of the native title such that when read it will sound like the native title." },
+    "titleNative": { "type": "token",
+      "description": "The title in its native script" },
+    "titleTranslation": { "type": "token",
+      "description": "A translation of the title" }
+  }
+}