New components

• vs-popup
• vs-alert
• vs-dropdown
  • vs-dropdown-item
• vs-row
• vs-col

New docs

• Contributing

Error correction

• added contribution guide # 11
• error solution in select IOS # 13
• add support vs-color component ** vs-buttons ** # 14
• array color support checkbox array # 15

new appearance on the page

• soport color thema
• new footer
• new svg