docs: Harmonize wsen-pads README. (#205)

* docs: Harmonize wsen-pads README — add API reference and calibration sections.

* docs(wsen-pads): Fix README issues and finalize documentation.

* docs: Add newLine to wsen-hids readme.

* docs: Add missing newline at end of wsen-pads README.

---------

Co-authored-by: Sébastien NEDJAR <sebastien@nedjar.com>

Author: Charly-sketch

lib/wsen-hids/README.md

@@ -249,4 +249,4 @@ Run an example using:
 
 ```bash
 mpremote mount lib/wsen-hids run lib/wsen-hids/examples/continuous_mode.py
-```
+```