feat: Add combined 'all' configuration with all categories (True/False)

feat: Add dev/test splits for category 'socio_professional_studies' (True/False)

feat: Add dev/test splits for category 'engineering' (True/False)

feat: Add dev/test splits for category 'business_studies' (True/False)

feat: Add dev/test splits for category 'medical_science' (True/False)

feat: Add dev/test splits for category 'physics_mathematics' (True/False)

feat: Add dev/test splits for category 'earth_life_sciences' (True/False)

feat: Add dev/test splits for category 'chemical_biosciences' (True/False)

feat: Add dev/test splits for category 'liberal_arts_and_social_sciences' (True/False)

initial commit