Timeline and history cache

⭐ New features

• Timelines for a complete overview of past and future irrigation schedules. Here are some new example cards.

⚡ Enhancements

• History cached to reduce load.
• New shims to pyscript.
• Updated manual run card.
• New enable/disable card courtesy of Paul.
• More test units to ensure stability.

📖 Documentation

• Updated for new features.
• Timeline chart and card.

🐛 Bug Fixes

• Update for templating changes.
• Lots of code fine tuning for linter.