chore: initialize meta-state branch structure

transitions.json

@@ -0,0 +1,20 @@
+{
+  "Gatekeeper": {
+    "requires": []
+  },
+  "Coder": {
+    "requires": [
+      "Gatekeeper_Approval"
+    ]
+  },
+  "Adversary": {
+    "requires": [
+      "Coder_Commit"
+    ]
+  },
+  "Evaluator": {
+    "requires": [
+      "Adversary_Pass"
+    ]
+  }
+}