✨ feat(minor): add bud.spa single page application facade

[kellymears]

Add bud.spa method for compatibility with single page application routing (React Router, et al). Called with the same signature as bud.setUrl, bud.setPublicUrl, bud.setProxyUrl, etc. Not passing anything is also fine if bud.js defaults are cool.

bud.spa()

bud.spa(3030)

bud.spa(`http://example.com:3030`)

bud.spa(new URL(`http://example.com:3030`))

Changes

• Add: bud.spa facade to @roots/bud-api
• Docs: Add /reference/spa documentation page
• Test: Add bud.spa tests

Notes

The equivalent of:

bud
  .setUrl(url)
  .setProxyUrl(url)
  .hooks.on(
    `dev.middleware.proxy.options.ignorePath`, 
    true
  )

Type of change

MINOR: feature

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