Add the missing docs

ErikQQY · ErikQQY · commit 6a26688bccba · 2026-04-28T08:27:51.000+08:00
diff --git a/docs/src/api.md b/docs/src/api.md
@@ -24,6 +24,8 @@ ColoringProblem
 ```@docs
 GreedyColoringAlgorithm
 ConstantColoringAlgorithm
+OptimalColoringAlgorithm
+StructuredColoringAlgorithm
 ```
 
 ## Result analysis
