Map misc group (20 keys) + quadruped variants (24 keys)

- SideHairLeft, TearLeft, VeinLeft, Forehead, BackOfHead, Fin
- BeastWingHand, BirdWingHand, AlienEyeLeft, Piercing, Reaction
- MultiLeg, MandibleUpper, MandibleBase, Expression, CrossSection
- Spot, Phallus, Whip
- 24 Quadruped* variants matching existing body parts
- 167 of 175 directories now English (6 hybrid remaining: 四足UpperArm etc.)

SlaveMatrix/Assets/Parts/QuadrupedFastenerBack/part.yaml

@@ -0,0 +1,47 @@
+id: QuadrupedFastenerBack
+original_key: 四足留具後
+resource: 半身
+morph_x: 1
+morph_y: 1
+variants:
+- x: 0
+  y: 0
+  file: x0y0.svg
+fields:
+- name: 革左
+- name: 革右
+- name: 丸金具1
+- name: 革
+- name: 丸金具2
+- name: 丸金具3
+- name: 丸金具4
+- name: 丸金具5
+joints:
+- position: [
+  0.0077602513316739384,
+  -0.006534560961206891
+]
+- position: [
+  0.011108154742667742,
+  0.008501135162713513
+]
+- position: [
+  0.014545739131303415,
+  -0.0032519956032064064
+]
+- position: [
+  0.011158992400397201,
+  0.012017310085419742
+]
+- position: [
+  0.011196562844302895,
+  0.0025096983322777638
+]
+- position: [
+  0.007396567942713693,
+  0.016910281288054302
+]
+- position: [
+  0.014908971862084558,
+  0.016910281288054302
+]