feat: add awsim labs documentation reference (autowarefoundation#541)

Signed-off-by: M. Fatih Cırıt <[email protected]>

docs/tutorials/ad-hoc-simulation/digital-twin-simulation/awsim-tutorial.md

@@ -1,3 +1,19 @@
 # AWSIM simulator
 
-AWSIM is a simulator for Autoware development and testing. To get started, please follow the official [instruction](https://tier4.github.io/AWSIM/GettingStarted/QuickStartDemo/) provided by TIER IV.
+AWSIM is a simulator for Autoware development and testing, initially developed by TIER IV and still actively maintained.
+
+AWSIM Labs is a fork of AWSIM, developed under the Autoware Foundation, providing additional features and lighter resource usage.
+
+## AWSIM Labs
+
+[AWSIM Labs](https://github.com/autowarefoundation/AWSIM) supports Unity LTS 2022.3.21f1 and uses the Universal Render Pipeline (URP), optimized for lighter resource usage. It introduces several enhancements such as the ability to reset vehicle positions at runtime, support for multiple scenes and vehicle setups on runtime, and multi-lidars enabled by default.
+
+See the full feature comparison between AWSIM and AWSIM Labs [here](https://autowarefoundation.github.io/AWSIM/main/#feature-differences-from-the-tier-ivawsim).
+
+To get started with AWSIM Labs, please follow the [instructions](https://autowarefoundation.github.io/AWSIM/main/GettingStarted/QuickStartDemo/).
+
+## AWSIM
+
+[AWSIM](https://github.com/tier4/AWSIM) runs on Unity 2021.1.7f1 using the High Definition Render Pipeline (HDRP), which requires more system resources.
+
+To get started with AWSIM, please follow the [instructions](https://tier4.github.io/AWSIM/GettingStarted/QuickStartDemo/) provided by TIER IV.