feat: Add extract dependency graph

HepLean/SpaceTime/WeylFermion/Basic.lean

@@ -39,6 +39,7 @@ informal_definition altRightHandedWeylFermion where
 ## Equivalences between Weyl fermion vector spaces.
 
 -/
+
 informal_definition leftHandedWeylFermionAltEquiv where
   math :≈ "The linear equiv between leftHandedWeylFermion and altLeftHandedWeylFermion given
     by multiplying an element of rightHandedWeylFermion by the matrix εᵃ⁰ᵃ¹ ={{0, 1}, {-1, 0}}."
@@ -52,7 +53,9 @@ informal_lemma leftHandedWeylFermionAltEquiv_equivariant where
 informal_definition rightHandedWeylFermionAltEquiv where
   math :≈ "The linear equiv between rightHandedWeylFermion and altRightHandedWeylFermion given
     by multiplying an element of rightHandedWeylFermion by the matrix εᵃ⁰ᵃ¹ ={{0, 1}, {-1, 0}}."
+  deps :≈ [`rightHandedWeylFermion, `altRightHandedWeylFermion]
 
 informal_lemma rightHandedWeylFermionAltEquiv_equivariant where
   math :≈ "The linear equiv rightHandedWeylFermionAltEquiv is equivariant with respect to the
     action of SL(2,C) on rightHandedWeylFermion and altRightHandedWeylFermion."
+  deps :≈ [`rightHandedWeylFermionAltEquiv]