feat: HoReKa cluster adaptation and validation

- Updated all WandB project names to use dppo- prefix for organization
- Added flexible dev testing script for all environments
- Created organized dev_tests directory for test scripts
- Fixed MuJoCo compilation issues (added GCC compiler flags)
- Documented Python 3.10 compatibility and Furniture-Bench limitation
- Validated pre-training for Gym, Robomimic, D3IL environments
- Updated experiment tracking with validation results
- Enhanced README with troubleshooting and setup instructions

cfg/furniture/pretrain/one_leg_low/pre_diffusion_mlp.yaml

@@ -22,7 +22,7 @@ cond_steps: 1
 
 wandb:
   entity: ${oc.env:DPPO_WANDB_ENTITY}
-  project: furniture-${task}-${randomness}-pretrain
+  project: dppo-furniture-${task}-${randomness}-pretrain
   run: ${now:%H-%M-%S}_${name}
 
 train: