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/sensor/accelerometer.md

@@ -0,0 +1,12 @@
+# Accelerometer Hardware & Setup
+
+PX4 uses accelerometer data for velocity estimation.
+
+You should not need to attach an accelometer as a stand-alone external device:
+
+- Most flight controllers, such as those in the [Pixhawk Series](../flight_controller/pixhawk_series.md), include an accelerometer as part of the flight controller's [Inertial Motion Unit (IMU)](https://en.wikipedia.org/wiki/Inertial_measurement_unit).
+- Gyroscopes are present as part of an [external INS, ARHS or INS-enhanced GNSS system](../sensor/inertial_navigation_systems.md).
+
+The accelerometer must be calibrated before first use of the vehicle:
+
+- [Accelerometer Calibration](../config/accelerometer.md)