docs: add lidar imu calibration

[StepTurtle]

Description

Added lidar imu calibration instructions.

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[github-actions]

Documentation URL: https://autowarefoundation.github.io/autoware-documentation/pr-483/
Modified URLs:

• https://autowarefoundation.github.io/autoware-documentation/pr-483/how-to-guides/integrating-autoware/creating-vehicle-and-sensor-model/calibrating-sensors/calibration-tools/
• https://autowarefoundation.github.io/autoware-documentation/pr-483/how-to-guides/integrating-autoware/creating-vehicle-and-sensor-model/calibrating-sensors/lidar-imu-calibration/

[ismetatabay]

Hi @StepTurtle, thanks for the PR, it has been a step by step explanation page. @yvzksgl can perform the calibration process with the following these steps.

Can you sign the following commit: ca2bef7 After that I can approve this PR, thanks!

[ismetatabay]

LGTM