feat: Kana, kanji and vocabulary details skeleton

[apomalyn]

📖 Description

Implement the skeleton for kana, kanji, and vocabulary details view. Please note that TTS will be added in a second PR 😄

This will be loaded as a modal bottom sheet adjusted based on the content.

⁉️ Related Issues

• linked to #102

🖼️ Screenshots:

Demo!

https://github.com/RoadTripMoustache/kana_to_kanji/assets/22211097/e30e6852-de5e-422e-ad0d-714df98f9763

🧪 How to test the change?

1. Go to Glossary tab
2. Select any kana, kanji, or vocabulary
3. See changes

☑️ Checklist before requesting a review

• [x] I have performed a self-review of my code.
• [x] I have added/updated tests.
• [x] Make sure to add either one of the following labels: version: Major,version: Minor or version: Patch.

[github-actions[bot]]

Bump version from 0.18.0+1 to 0.19.0+1

[github-actions[bot]]

Coverage after merging feat/102 into main will be

50.11%

Coverage Report for Changed Files

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
lib/src/core/constants
app_theme.dart	87.50%	100%	100%	87.50%	5
lib/src/core/models
kana.dart	50%	100%	100%	50%	28
kanji.dart	66.67%	100%	100%	66.67%	58
lib/src/core/widgets
app_spacer.dart	75%	100%	100%	75%	15, 17
app_scaffold.dart	0%	100%	100%	0%	20, 30–34, 37–39, 43–45
lib/src/glossary/details
details_view.dart	100%	100%	100%	100%
details_view_model.dart	100%	100%	100%	100%
lib/src/glossary/details/widgets
section_title.dart	100%	100%	100%	100%
pronunciation_card.dart	83.33%	100%	100%	83.33%	8
details.dart	100%	100%	100%	100%
wrapped_list.dart	100%	100%	100%	100%
lib/src/glossary/widgets
kanji_list.dart	55.56%	100%	100%	55.56%	13–15, 25
vocabulary_list.dart	60%	100%	100%	60%	13–15, 26
kana_list.dart	87.50%	100%	100%	87.50%	29–31, 68, 80, 87