fix(kit): remove baseUrl and use relative paths in tsconfig

[danielroe]

🔗 Linked issue

resolves #21827

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

This finishes work in #21081 and #21632 to remove baseUrl and normalise all absolute paths in include/exclude/paths to relative urls.

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

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[daniluk4000]

Nice!

[danielroe]

/ecosystem-ci run

[danielroe]

/ecosystem-ci run

[nuxt-ecosystem-ci]

📝 Ran ecosystem CI: Open

suite	result
starter	✅ success
content	✅ success
image	❌ failure
pinia	✅ success
examples	✅ success
bridge	❌ failure
nuxt-vitest	✅ success
vite-pwa	✅ success
docus	✅ success
og-image	✅ success
elk	❌ failure
devtools	✅ success
module-builder	✅ success
sanity-module	✅ success
i18n-module	❌ failure

[danielroe]

/ecosystem-ci run image bridge

[danielroe]

/ecosystem-ci run image

[danielroe]

/ecosystem-ci run bridge

[nuxt-ecosystem-ci]

📝 Ran ecosystem CI: Open

suite	result
image	✅ success

[nuxt-ecosystem-ci]

📝 Ran ecosystem CI: Open

suite	result
bridge	❌ failure

[danielroe]

Only elk failure is related to this PR

[danielroe]

/ecosystem-ci run elk

[nuxt-ecosystem-ci]

📝 Ran ecosystem CI: Open

suite	result
elk	❌ failure

[danielroe]

ok, now Elk failure is normal and unrelated to this PR 😆