[2.0.0] For new users, an app tutorial or documentation of various functions would be helpful

The documentation / app tutorial should include the following items:

• Explain charts (swipe to change chart causes the distribution widget to change) => TipKit ✅

• Mention the chart long press feature to display a specific day or month => TipKit ✅

• Explain budget period change (adjusts automatically) ✅

• How to automatically add Apple Pay transactions to 3rd party apps using shortcuts (iOS 17) => https://www.reddit.com/r/shortcuts/comments/17dqih9/tutorial_how_to_automatically_add_apple_pay ✅

• How to input credit card expenses into the bank account at the end of the month (automatically: see feature request => https://budgetflow.featurebase.app/de/submissions/64d532f15f28034779d008a7) ✅