global enhancements

- create context object and remove github one
- more tests and improve mocks

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

package.json

@@ -22,8 +22,8 @@
   ],
   "author": "Docker Inc.",
   "license": "Apache-2.0",
-  "main": "lib/index.js",
-  "types": "lib/index.d.ts",
+  "main": "lib/toolkit.js",
+  "types": "lib/toolkit.d.ts",
   "directories": {
     "lib": "lib",
     "test": "__tests__"