chore: Remove .DS_Store

.gitignore

@@ -1,4 +1,5 @@
 /build
 /lake-packages/*
 .lake/packages/*
-.lake/build
+.lake/build
+.DS_Store

HepLean/BeyondTheStandardModel/TwoHDM/Basic.lean

@@ -80,26 +80,26 @@ lemma left_zero : potential 0 Φ2 m₁₁2 m₂₂2 𝓵₁ 𝓵₂ 𝓵₃ 𝓵
 
 ## Potential bounded from below
 
-TODO: Complete this section.
-
 -/
 
+/-! TODO: Prove bounded properties of the 2HDM potential. -/
+
 /-!
 
 ## Smoothness of the potential
 
-TODO: Complete this section.
-
 -/
 
+/-! TODO: Prove smoothness properties of the 2HDM potential. -/
+
 /-!
 
 ## Invariance of the potential under gauge transformations
 
-TODO: Complete this section.
-
 -/
 
+/-! TODO: Prove invariance properties of the 2HDM potential. -/
+
 end potential
 
 end