* Adds support for Astro.clientAddress
* Pass through mode and adapterName in SSG
* Pass through the mode provided
* Provide an adapter specific error message when possible
* Adding a flag to disable HTTP streaming
* refactor: adding support for SSG builds
* handling string responses in the server runtime, adding tests
* removing streaming CLI flag
* removing import.meta.env.STREAMING
* include Content-Length header when streaming is disabled
* Verifying content-length header in dev
* fix: default streaming to enabled in the base App server
* TEMP: disabling the production test to investigate the test-adapter
* re-enabling the test with an adapter option to disable streaming for the test
* fix: use the existing TextEncoder to get the body's byte length
* moving config to build.streaming, ignoring it in `dev`
* fixing dev test to expect response streaming
* chore: add changsets
* removing the new config option all together 🎉
* remove temp debug log
* Updating astro changeset now that streaming isn't a config option
