v0.3.0: User Functionality Upgrade

Documentation Changes:

• Added STAC Explained Section
• Added Data Aggregations Section and Diagram
• Added Objects section with Diagram
• Added Cloud Formats Section
• Updated Index with greater detail
• Updated Inspiration and Example Use

Package Changes:

• Properties: Standardised set of properties for Item/CloudProduct objects
• UI Features: Standardised set of UI methods for all objects
• Added display and representation functions for client
• Added items and assets properties for search
• Added cloud asset collection and other methods for item object.
• Updated cluster methods including standardised properties
• Added logging throughout
• Added set_verbose function to enable logging (not documented)

What's Changed

• V0.3.0: User functionality upgrade by @dwest77a in #6

Full Changelog: v0.2.0...v0.3.0