Move all internal tools under ./bin/ directory

Author: kateinoigakukun

.github/workflows/build.yml

@@ -36,7 +36,7 @@ jobs:
       - run: ./bin/setup
       - run: bundle exec rake check:type
       - run: sudo apt-get install clang-format
-      - run: ./tools/clang-format-diff.sh
+      - run: ./bin/clang-format-diff.sh
       - run: bundle exec rake check:bindgen
       - run: git diff --exit-code
 

tools/clang-format-diff.sh renamed to bin/clang-format-diff.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env ruby
 
-$LOAD_PATH << File.join(File.dirname(__FILE__), "../lib")
+$LOAD_PATH << File.join(File.dirname(__FILE__), "lib")
 
 require "syntax_tree"
 require "syntax_tree/cli"