feat: Add KoikatsuBlenderPipeline addon with import/export functionality

- Add core addon files (__init__.py, KKPanel.py, preferences.py, common.py)
- Add import pipeline with armature, mesh, and material modification modules
- Add export pipeline with material baking and FBX preparation utilities
- Add material combiner tool for texture atlas generation and optimization
- Add extras utilities for animation, rigging, and asset management
- Add bone orientation data from better_fbx for accurate skeletal structure
- Add comprehensive documentation and wiki with multi-language support (EN, JP, ZH)
- Add animation library retargeting lists for ARP and Rokoko motion capture
- Add Rigify integration scripts for advanced rigging workflows
- Add shader file (KK Shader V8.0.blend) for material rendering
- Add manifest and license files for addon distribution
- Add changelog documenting version history and improvements
- Initialize complete Blender addon project for Koikatsu character import/export

importing/modifymesh.md

@@ -0,0 +1,138 @@
+### ENUM order that corresponds to ChaReference_RefObjKey value in KK_ReferenceInfoData.json
+0. HeadParent,
+1. HairParent,
+1. a_n_hair_pony,
+1. a_n_hair_twin_L,
+1. a_n_hair_twin_R,
+1. a_n_hair_pin,
+1. a_n_hair_pin_R,
+1. a_n_headtop,
+1. a_n_headflont,
+1. a_n_head,
+1. a_n_headside,
+1. a_n_megane,
+1. a_n_earrings_L,
+1. a_n_earrings_R,
+1. a_n_nose,
+1. a_n_mouth,
+1. a_n_neck,
+1. a_n_bust_f,
+1. a_n_bust,
+1. a_n_nip_L,
+1. a_n_nip_R,
+1. a_n_back,
+1. a_n_back_L,
+1. a_n_back_R,
+1. a_n_waist,
+1. a_n_waist_f,
+1. a_n_waist_b,
+1. a_n_waist_L,
+1. a_n_waist_R,
+1. a_n_leg_L,
+1. a_n_leg_R,
+1. a_n_knee_L,
+1. a_n_knee_R,
+1. a_n_ankle_L,
+1. a_n_ankle_R,
+1. a_n_heel_L,
+1. a_n_heel_R,
+1. a_n_shoulder_L,
+1. a_n_shoulder_R,
+1. a_n_elbo_L,
+1. a_n_elbo_R,
+1. a_n_arm_L,
+1. a_n_arm_R,
+1. a_n_wrist_L,
+1. a_n_wrist_R,
+1. a_n_hand_L,
+1. a_n_hand_R,
+1. a_n_ind_L,
+1. a_n_ind_R,
+1. a_n_mid_L,
+1. a_n_mid_R,
+1. a_n_ring_L,
+1. a_n_ring_R,
+1. a_n_dan,
+1. a_n_kokan,
+1. a_n_ana,
+1. k_f_handL_00,
+1. k_f_handR_00,
+1. k_f_shoulderL_00,
+1. k_f_shoulderR_00,
+1. ObjEyeline,
+1. ObjEyelineLow,
+1. ObjEyebrow,
+1. ObjNoseline,
+1. ObjEyeL,
+1. ObjEyeR,
+1. ObjEyeWL,
+1. ObjEyeWR,
+1. ObjFace,
+1. ObjDoubleTooth,
+1. ObjBody,
+1. ObjNip,
+1. N_FaceSpecial,
+1. CORRECT_ARM_L,
+1. CORRECT_ARM_R,
+1. CORRECT_HAND_L,
+1. CORRECT_HAND_R,
+1. CORRECT_TONGUE_TOP,
+1. CORRECT_MOUTH_TARGET,
+1. CORRECT_MOUTH_TARGET02,
+1. CORRECT_HEAD_DBCOL,
+1. S_ANA,
+1. S_TongueF,
+1. S_TongueB,
+1. S_Son,
+1. S_SimpleTop,
+1. S_SimpleBody,
+1. S_SimpleTongue,
+1. S_MNPA,
+1. S_MNPB,
+1. S_MOZ_ALL,
+1. S_GOMU,
+1. S_CTOP_T_DEF,
+1. S_CTOP_T_NUGE,
+1. S_CTOP_B_DEF,
+1. S_CTOP_B_NUGE,
+1. S_CBOT_T_DEF,
+1. S_CBOT_T_NUGE,
+1. S_CBOT_B_DEF,
+1. S_CBOT_B_NUGE,
+1. S_UWT_T_DEF,
+1. S_UWT_T_NUGE,
+1. S_UWT_B_DEF,
+1. S_UWT_B_NUGE,
+1. S_UWB_T_DEF,
+1. S_UWB_T_NUGE,
+1. S_UWB_B_DEF,
+1. S_UWB_B_NUGE,
+1. S_UWB_B_NUGE2,
+1. S_PANST_DEF,
+1. S_PANST_NUGE,
+1. S_TPARTS_00_DEF,
+1. S_TPARTS_00_NUGE,
+1. S_TPARTS_01_DEF,
+1. S_TPARTS_01_NUGE,
+1. S_TPARTS_02_DEF,
+1. S_TPARTS_02_NUGE,
+1. ObjBraDef,
+1. ObjBraNuge,
+1. ObjInnerDef,
+1. ObjInnerNuge,
+1. S_TEARS_01,
+1. S_TEARS_02,
+1. S_TEARS_03,
+1. N_EyeBase,
+1. N_Hitomi,
+1. N_Gag00,
+1. N_Gag01,
+1. N_Gag02,
+1. DB_SKIRT_TOP,
+1. DB_SKIRT_TOPA,
+1. DB_SKIRT_TOPB,
+1. DB_SKIRT_BOT,
+1. F_ADJUSTWIDTHSCALE,
+1. A_ROOTBONE,
+1. BUSTUP_TARGET,
+1. NECK_LOOK_TARGET