Improve user experience

1. Show tutorial when user launch app at the first time.
2. Sign In with Apple page add Lottie animation.
3. Improve application stability.

Main v1.03

1. Now edit / add category style view will apply initial color at every views.
2. Now add event image will show loading animation to avoid unsaved image url.
3. Sign In with Apple login button in black mode will display normally now.
4. Fix filter view initial error when edit an event with relation that filter index bigger than 0.
5. Now chosen locale icon at category style view won't set color to default.
6. In event detail view, location name will split to multi lines to avoid layout error.

First stable version

1. Improved Google map user interaction.
2. Improved system's stability.