feat(config): configure layout of column width/hidden/grow per section

[dlvhdr]

• feat(config): add ability to set column width
• feat(config): add ability to set width per column in the config defaults
• feat(config): allow hiding columns
• feat(issues): support issues section layout props
• fix(table): set MaxWidth on table row to prevent overflow
• feat(config): add ability to set layout config per section
• feat(config): merge section layout config with default layout config