Full UI rewrite: fancy alexnasa-style components, audio input, interpolation, social links

Add Gemma license notice to UI footer and README duplication instructions

Fix get_duration arg count mismatch; add show_error=True to launch

Vendor ltx-core/ltx-pipelines and rewrite app.py for ZeroGPU compatibility

fix: use total_memory instead of total_mem for CUDA device properties

Initial turbo Space: ZeroGPU-compatible LTX-2.3 with FP8 quantization and two-phase GPU leasing