add helper files

Author: jrappen

.eslintignore

@@ -0,0 +1 @@
+.git/

.eslintrc

@@ -1,3 +1,8 @@
 {
-  "extends": ["vue"]
+    "extends": [
+        "vue"
+    ],
+    "rules": {
+        "no-unused-vars": "off"
+    }
 }

.npmignore

@@ -0,0 +1,4 @@
+.eslintignore
+.eslintrc
+.gitignore
+.travis.yml

.travis.yml

@@ -1,3 +1,8 @@
 sudo: false
 language: node_js
 node_js: stable
+os:
+  - linux
+  - osx
+install:
+  - npm install --no-optional

bin/docsify

@@ -17,8 +17,16 @@ require('yargonaut')
   .helpStyle('green')
   .errorsStyle('red.bold')
 
-var argv = require('yargs')
+var yargs = require('yargs')
   .usage(chalk.bold(y18n.localized('usageDesc') + ': docsify <command> <path> [options]'))
+  .command({
+    command: '*',
+    desc: 'the default command',
+    builder: () => {},
+    handler: (yargs) => {
+      yargs.help()
+    }
+  })
   .command({
     command: 'init <path> [--local] [--theme vue]',
     alias: 'i',