🔧 update url doc

Author: Ahhj93

bin_tree.opam

@@ -8,7 +8,7 @@ authors: ["Bryan (Ahhj93)"]
 license: "MIT"
 tags: ["binary_tree" "algorithm" "tree" "data_structure"]
 homepage: "https://github.com/Ahhj93/bin_tree"
-doc: "https://github.com/Ahhj93/bin_tree-docs"
+doc: "https://ahhj93.github.io/bin_tree/"
 bug-reports: "https://github.com/Ahhj93/bin_tree/issues"
 depends: [
   "ocaml"

dune-project

@@ -13,7 +13,7 @@
 
 (license MIT)
 
-(documentation https://github.com/Ahhj93/bin_tree-docs)
+(documentation https://ahhj93.github.io/bin_tree/)
 
 (package
  (name bin_tree)