Julia client tutorial

[hidonkey2018]

• [x] create Julia tutorial readme
• [x] introduction section
• [x] Getting start section
• [x] Installation section
• [x] Connct to Smalldata section
• [ ] Get user info
• [x] Signing in (Authenticating)
• [ ] Managing and creating tables
• [x] Creating tables
• [x] Listing tables
• [x] Creating tables with metadata
• [x] Get table by table ID
• [x] Getting info (table)
• [ ] Adding and getting data (table)
• [ ] Getting contents (table)
• [ ] Adding columns (table)
• [ ] Adding points (table)
• [ ] Summary
• [ ] Sharing with another user (modifying access)
• [ ] Ending the session