feat: cli scaffolding

[schultek]

Description

• Add jaspr.mode option.
• Remove jaspr generate - Merged functionality into jaspr build
• Removed custom middleware support - Use own shelf server setup instead
• Fixes #180

Type of Change

• [x] ❌ Breaking change
• [x] ✨ New feature or improvement
• [ ] 🛠️ Bug fix
• [ ] 🧹 Code refactor
• [ ] 📝 Documentation
• [ ] 🗑️ Chore

[github-actions[bot]]

Package Version Report

The following packages have been updated: jaspr : 0.10.0 -> 0.11.0 jaspr_builder : 0.10.0 -> 0.11.0 jaspr_cli : 0.10.0 -> 0.11.0 jaspr_flutter_embed : 0.2.0 -> 0.3.0 jaspr_riverpod : 0.3.9 -> 0.3.10 jaspr_router : 0.3.1 -> 0.3.2 jaspr_test : 0.10.0 -> 0.11.0

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 63.40111% with 198 lines in your changes are missing coverage. Please review.

Project coverage is 61.06%. Comparing base (330c4f7) to head (f2c6ca6). Report is 2 commits behind head on main.

:exclamation: Current head f2c6ca6 differs from pull request most recent head 8b6aaf3. Consider uploading reports for the commit 8b6aaf3 to get more accurate results

Files	Patch %	Lines
packages/jaspr/lib/src/components/style.dart	0.00%	28 Missing :warning:
...ges/jaspr_cli/lib/src/commands/create_command.dart	74.31%	28 Missing :warning:
packages/jaspr/lib/src/server/server_app.dart	3.57%	27 Missing :warning:
...ckages/jaspr/lib/src/foundation/styles/styles.dart	10.71%	25 Missing :warning:
...ckages/jaspr_cli/lib/src/helpers/proxy_helper.dart	61.40%	22 Missing :warning:
packages/jaspr/lib/src/server/server_handler.dart	50.00%	10 Missing :warning:
...kages/jaspr_cli/lib/src/commands/base_command.dart	72.22%	10 Missing :warning:
packages/jaspr_cli/lib/src/config.dart	60.00%	10 Missing :warning:
...aspr/lib/src/foundation/styles/properties/box.dart	0.00%	7 Missing :warning:
...ages/jaspr_cli/lib/src/commands/serve_command.dart	88.88%	7 Missing :warning:
... and 9 more

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #168 +/- ## ========================================== - Coverage 61.43% 61.06% -0.37% ========================================== Files 100 116 +16 Lines 4180 5060 +880 ========================================== + Hits 2568 3090 +522 - Misses 1612 1970 +358 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.