Move PX4 Guide source into /docs (#24490)

* Add vitepress tree

* Update existing workflows so they dont trigger on changes in the docs path

* Add nojekyll, package.json, LICENCE etc

* Add crowdin docs upload/download scripts

* Add docs flaw checker workflows

* Used docs prefix for docs workflows

* Crowdin obvious fixes

* ci: docs move to self hosted runner

runs on a beefy server for faster builds

Signed-off-by: Ramon Roche <mrpollo@gmail.com>

* ci: don't run build action for docs or ci changes

Signed-off-by: Ramon Roche <mrpollo@gmail.com>

* ci: update runners

Signed-off-by: Ramon Roche <mrpollo@gmail.com>

* Add docs/en

* Add docs assets and scripts

* Fix up editlinks to point to PX4 sources

* Download just the translations that are supported

* Add translation sources for zh, uk, ko

* Update latest tranlsation and uorb graphs

* update vitepress to latest

---------

Signed-off-by: Ramon Roche <mrpollo@gmail.com>
Co-authored-by: Ramon Roche <mrpollo@gmail.com>

docs/ko/dev_setup/getting_started.md

@@ -0,0 +1,9 @@
+# 시작하기
+
+이 섹션에는 PX4 개발에 관련된 주제가 포함되어 있습니다.
+
+- [Initial Setup](../dev_setup/config_initial.md)
+- [Toolchain Installation](../dev_setup/dev_env.md)
+- [Building the Code](../dev_setup/building_px4.md)
+- [Writing an Application](../modules/hello_sky.md)
+- [Application/Module Template](../modules/module_template.md)