yarn => npm 5

.travis.yml

@@ -2,4 +2,4 @@ language: node_js
 node_js:
   - "6.9"
 
-script: yarn test
+script: npm test

README.md

@@ -6,7 +6,7 @@ A Slack sidebar theme generator for [themer](https://github.com/mjswensen/themer
 
 Install this module wherever you have `themer` installed:
 
-    yarn add themer-slack
+    npm install themer-slack
 
 Then pass `themer-slack` as a `-t` (`--template`) arg to `themer`:
 

package.json

@@ -10,9 +10,9 @@
   },
   "scripts": {
     "build": "eslint src && babel --out-dir lib src",
-    "test": "yarn run build && jest",
-    "start": "watch 'yarn run test' src",
-    "prepublish": "yarn run build"
+    "test": "npm run build && jest",
+    "start": "watch 'npm run test' src",
+    "prepare": "npm run build"
   },
   "devDependencies": {
     "babel-cli": "^6.23.0",