Fix files attribute in package.json, bump version to 3.0.1

* fix files attribute
* bump version to 3.0.1

Author: Pistacchione

package.json

@@ -1,6 +1,6 @@
 {
   "name": "monk-log",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "private": false,
   "engines": {
     "node": ">=8.3.0"
@@ -11,7 +11,7 @@
     "test": "mocha --colors"
   },
   "files": [
-    "./lib"
+    "lib/"
   ],
   "keywords": [
     "monk",