Add git2cpp to deployment

Author: ianthomas23

deploy/cockle-config-in.json

@@ -1,11 +1,20 @@
 {
   "packages": {
+    "git2cpp": {},
     "lua": {},
     "nano": {},
     "tree": {},
     "vim": {}
   },
   "aliases": {
+    "git": "git2cpp",
     "vi": "vim"
+  },
+  "environment": {
+    "GIT_CORS_PROXY": "https://corsproxy.io/?url=",
+    "GIT_AUTHOR_NAME": "Jane Doe",
+    "GIT_AUTHOR_EMAIL": "[email protected]",
+    "GIT_COMMITTER_NAME": "Jane Doe",
+    "GIT_COMMITTER_EMAIL": "[email protected]"
   }
 }