refactor(CLI): modularize more, test more

package.json

@@ -73,11 +73,14 @@
   "engines": {
     "node": ">=8.9"
   },
+  "NOTE": "These dependencies are for the CLI, and will be removed automatically.",
   "dependencies": {
+    "@types/globby": "^6.1.0",
     "chalk": "^2.3.1",
     "del": "^3.0.0",
     "execa": "^0.9.0",
     "github-username": "^4.1.0",
+    "globby": "^8.0.1",
     "gradient-string": "^1.0.0",
     "inquirer": "^5.1.0",
     "meow": "^4.0.0",
@@ -100,6 +103,7 @@
     "codecov": "^3.0.0",
     "cz-conventional-changelog": "^2.1.0",
     "gh-pages": "^1.0.0",
+    "md5-file": "^3.2.3",
     "nock": "^9.2.3",
     "npm-run-all": "^4.1.2",
     "npm-scripts-info": "^0.3.6",