feat: update asdf-clang-tools help (#19)

* feat: update asdf-clang-tools help

* add repo link to help

Author: shenxianpeng

bin/help.deps

@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
 
-echo "curl"
-echo "jq"
+echo "asdf-clang-tools requires the following dependencies to be installed:"
+echo "- curl"
+echo "- jq"

bin/help.overview

@@ -1,3 +1,9 @@
 #!/usr/bin/env bash
 
-echo "asdf plugin for clang tools - clang-format, clang-tidy, clang-query, clang-apply-replacements, and more"
+echo "This is an asdf plugin for installing several clang tools:"
+echo "- clang-format"
+echo "- clang-tidy"
+echo "- clang-query"
+echo "- clang-apply-replacements"
+echo "See https://github.com/cpp-linter/asdf-clang-tools for more information"
+echo