Some small fixes

clusters/threat-actors.json

@@ -9,7 +9,7 @@
     "Timo Steffens",
     "Various"
   ],
-  "type": "Threat Actors",
+  "type": "threat-actors",
   "groups": [
     "Operation C-Major",
     "Comment Crew",

galaxies/threat-actor.json

@@ -1,6 +1,6 @@
 {
-   "name" : "threat actor",
+   "name" : "threat-actor",
    "description": "Threat actors are characterisations of malicios actors (or adversaries) representing a cyber attach threat including presumed intent and historically observed behaviour.",
    "version": 1,
-   "uuid": "698774c7-8022-42c4-917f-8d6e4f06ada3",
+   "uuid": "698774c7-8022-42c4-917f-8d6e4f06ada3"
 }