Update kidney.ini, carbon.ini, and oxygen.ini

defs/items/kidney.ini

@@ -0,0 +1,12 @@
+[Item]
+id="organ_kidney"
+
+traits[] = "organ;edible"
+
+# Trait for organ
+[Trait.Organ]
+slot="kidney_left;kidney_right"
+
+[Trait.Edible]
+nutrition = 0.01
+portions = 1

defs/reagents/carbon.ini

@@ -0,0 +1,20 @@
+[Reagent]
+id="oxygen"
+
+traits[] = "chemical;oxydizer"
+
+
+[Trait.Chemical]
+# As kelvins
+melting = 54.36
+
+# As kelvins
+boiling = 90.188
+
+# As g/l
+density = 1.429
+
+
+[Trait.Oxydizer]
+# Keep as-is, I'll implement later
+idk = 1.0

defs/reagents/oxygen.ini

@@ -0,0 +1,20 @@
+[Reagent]
+id="oxygen"
+
+traits[] = "chemical;oxydizer"
+
+
+[Trait.Chemical]
+# As kelvins
+melting = 54.36
+
+# As kelvins
+boiling = 90.188
+
+# As g/l
+density = 1.429
+
+
+[Trait.Oxydizer]
+# Keep as-is, I'll implement later
+idk = 1.0