🎨 Replace colors module with chalk module

package.json

@@ -2,7 +2,15 @@
   "name": "keppler",
   "version": "1.2.1",
   "description": "Real time code sharing for your lectures and presentations",
-  "keywords": ["keppler", "teach", "learn", "code", "presentation", "live-coding", "share"],
+  "keywords": [
+    "keppler",
+    "teach",
+    "learn",
+    "code",
+    "presentation",
+    "live-coding",
+    "share"
+  ],
   "bin": {
     "keppler": "bin/index.js"
   },
@@ -24,11 +32,13 @@
   },
   "homepage": "https://github.com/brunosimon/keppler",
   "dependencies": {
+    "chalk": "^2.3.0",
     "chokidar": "^1.7.0",
     "colors": "^1.1.2",
     "diff": "^3.3.0",
     "express": "^4.15.3",
     "glob": "^7.1.2",
+    "gradient-string": "^1.0.0",
     "helmet": "^3.8.1",
     "html-entities": "^1.2.1",
     "ip": "^1.1.5",
@@ -51,7 +61,6 @@
     "babel-preset-env": "^1.3.2",
     "babel-preset-stage-2": "^6.22.0",
     "babel-register": "^6.22.0",
-    "chalk": "^2.0.1",
     "connect-history-api-fallback": "^1.3.0",
     "copy-to-clipboard": "^3.0.8",
     "copy-webpack-plugin": "^4.0.1",