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

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

docs/en/power_module/cuav_hv_pm.md

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+# CUAV HV PM (High-Voltage Power Module)
+
+The CUAV<sup>&reg;</sup> *HV_PM* power module is a "high voltage" power module independently developed by CUAV.
+
+:::tip
+The *HV_PM* is included in the CUAV V5+/V5 nano kit, but is also be sold separately.
+There are different cables depending on the flight controller (Pixhack v3, V5+/V5 nano, Pixhawk).
+It can be used with other flight controllers, but you may need to modify the cable pin.
+:::
+
+## Specifications
+
+- **Higher voltage input:** 10V-60V (3s~14s battery)
+- **Accurate battery monitor:**
+  - **Voltage detection accuracy:** +-0.1v; 
+  - **Current detection accuracy:** +-0.2A
+- **BEC (5v) max current:** 5A
+- **Max (detection) current:** 60A
+- **Max output current (ESC/MOTOR PORT):** 60A
+
+## Where to Buy
+
+[CUAV aliexpress store](https://www.aliexpress.com/item/32841805115.html?spm=2114.12010615.8148356.1.64165998hPvTKQ)
+
+## Pinouts
+
+![HV PM](../../assets/hardware/power_module/cuav_hv/hv_pm.jpg)
+
+## Enable HV PM
+
+[Battery Estimation Tuning](../config/battery.md) describes how to configure the battery and power module.
+
+The key configuration settings for `HV_PM` are:
+- **Voltage divider:** 18
+- **Amps per volt:** 24 A/V