#118 Add some new "food" icons

• fixed #112
• fixed #116
• Add new icons #114
  

fixed #108: change key to set gulp server by @konojunya

fixed #109: add 🐙 and 🦑

• fixed #105: Add apron
• fixed #105: add 🍘 🍩

rice-cracker	donut	apron

brand new design icons 🎉

• fixed #100: Update some assets
• fixed #102: Change path srcJade to srcPug bug
• fixed #97: Support nodejs version v8.x and v10.x
• fixed #91: New icon design

• Add train icon #95
• New Category 'vehicles'

#92 Add Beginner Icon 🔰

Modify close icon #90