feat: read config, read history, hash files

most of the functionality exists now

package.json

@@ -2,7 +2,10 @@
   "name": "pkgcomp",
   "version": "0.0.0",
   "description": "Node package compare and change runner",
-  "main": "index.js",
+  "bin": {
+    "pkgcomp": "src/cli.js"
+  },
+  "main": "src/index.js",
   "scripts": {
     "lint": "eslint '*.{js,mjs}' 'src/**/*.{js,mjs}'",
     "version": "npm-auto-version",
@@ -50,18 +53,22 @@
     "singleQuote": true,
     "trailingComma": "es5"
   },
-  "dependencies": {},
+  "dependencies": {
+    "joycon": "^2.2.4",
+    "md5-file": "^4.0.0",
+    "mkdirp": "^0.5.1"
+  },
   "devDependencies": {
     "@w33ble/npm-auto-tools": "*",
     "eslint": "^5.15.3",
+    "eslint-config-airbnb": "^17.1.0",
     "eslint-config-prettier": "^4.1.0",
     "eslint-plugin-import": "^2.14.0",
+    "eslint-plugin-jsx-a11y": "^6.1.1",
     "eslint-plugin-prettier": "^3.0.1",
+    "eslint-plugin-react": "^7.11.0",
     "husky": "^1.3.1",
     "lint-staged": "^8.1.4",
-    "eslint-config-airbnb": "^17.1.0",
-    "eslint-plugin-jsx-a11y": "^6.1.1",
-    "eslint-plugin-react": "^7.11.0",
     "prettier": "^1.16.4"
   }
 }