Add cocoons to the unit lookup info.

Author: GraylinKim

sc2reader/data/unit_info.json

@@ -12,6 +12,12 @@
       "vespene": 25,
       "supply": 0.5
     },
+    "banelingcocoon": {
+      "is_army": true,
+      "minerals": 50,
+      "vespene": 25,
+      "supply": 0.5
+    },
     "banelingnest": {
       "minerals": 150,
       "vespene": 50,
@@ -30,6 +36,12 @@
       "vespene": 250,
       "supply": 4
     },
+    "broodlordcocoon": {
+      "is_army": true,
+      "minerals": 300,
+      "vespene": 250,
+      "supply": 4
+    },
     "corruptor": {
       "is_army": true,
       "minerals": 150,
@@ -180,6 +192,12 @@
       "vespene": 50,
       "supply": 0
     },
+    "overseercocoon": {
+      "is_army": true,
+      "minerals": 150,
+      "vespene": 50,
+      "supply": 0
+    },
     "queen": {
       "is_army": true,
       "minerals": 150,