UI representation of OH items todo

[simonpoole]

Tick off when basic implementation exists (value is displayed and modifications are reflected back to the OH value):

• [x] rule type (replace, fallback)
• [x] year ranges
• [x] year ranges interval
• [x] rule modifiers with comments
• [x] comments
• [x] date ranges
• [x] date range open end
• date ranges interval ---- likely an error in the OH specification
• [x] date day offsets
• [x] date weekday offsets
• [x] variable-date - date
• [x] date - variable-date
• [x] variable-date - variable-date
• [x] variable-dates offsets
• [x] week ranges
• [x] week ranges intervals
• [x] weekday ranges
• [x] weekday nth
• [x] weekday offsets
• [x] holidays
• [x] holiday offsets
• [x] 24/7
• [x] normal time range
• [x] point in time
• [x] time - variable-time time range
• [x] time range open ended
• [x] extended time range
• [x] variable-time - variable-time time range
• [x] variable-time - time time range
• [x] variable-time - extended time range
• [x] interval for time range
• [x] variable-time offsets

[simonpoole]

Basic editing exists for all elements.