added alternative configurations for tbx11k

src/ptbench/configs/datasets/tbx11k_simplified_v3/rgb.py

src/ptbench/data/tbx11k_simplified/__init__.py

src/ptbench/data/tbx11k_simplified_RS_v2/__init__.py

src/ptbench/data/tbx11k_simplified_RS_v3/__init__.py

src/ptbench/data/tbx11k_simplified_v2/__init__.py

src/ptbench/data/tbx11k_simplified_v2/default.json.bz2

src/ptbench/data/tbx11k_simplified_v2/fold_0.json.bz2

src/ptbench/data/tbx11k_simplified_v2/fold_1.json.bz2

src/ptbench/data/tbx11k_simplified_v2/fold_2.json.bz2

src/ptbench/data/tbx11k_simplified_v2/fold_3.json.bz2

src/ptbench/data/tbx11k_simplified_v2/fold_4.json.bz2

src/ptbench/data/tbx11k_simplified_v2/fold_5.json.bz2

src/ptbench/data/tbx11k_simplified_v2/fold_6.json.bz2

src/ptbench/data/tbx11k_simplified_v2/fold_7.json.bz2

src/ptbench/data/tbx11k_simplified_v2/fold_8.json.bz2

src/ptbench/data/tbx11k_simplified_v2/fold_9.json.bz2

src/ptbench/data/tbx11k_simplified_v3/__init__.py

src/ptbench/data/tbx11k_simplified_v3/default.json.bz2

src/ptbench/data/tbx11k_simplified_v3/fold_0.json.bz2

src/ptbench/data/tbx11k_simplified_v3/fold_1.json.bz2