Module validate

Validation functions that are useful for more than one data module in ck3.

Functions

• validate_activity_modifier
• validate_ai_value_modifier
• validate_camera_color
  Camera colors must be hsv, and value can be > 1
• validate_compare_modifier
• validate_compatibility_modifier
• validate_cost
• validate_cost_with_renown
• validate_maa_stats
• validate_opinion_modifier
• validate_portrait_modifier_overrides
• validate_random_culture
• validate_random_faith
• validate_random_traits_list
• validate_scheme_modifier
• validate_theme_background
• validate_theme_effect_2d
• validate_theme_header_background
• validate_theme_icon
• validate_theme_sound
• validate_theme_transition
• validate_traits
• validate_virtues_sins