Run the format tool.

src/chalk.cr

@@ -1,12 +1,12 @@
 require "./chalk/*"
 
 module Chalk
-    lexer = Lexer.new
-    parser = Parser.new
+  lexer = Lexer.new
+  parser = Parser.new
 
-    tokens = lexer.lex(File.read("test.txt"))
-    trees = parser.parse?(tokens)
-    trees.try do |trees|
-        trees.each &.accept(PrintVisitor.new)
-    end
+  tokens = lexer.lex(File.read("test.txt"))
+  trees = parser.parse?(tokens)
+  trees.try do |trees|
+    trees.each &.accept(PrintVisitor.new)
+  end
 end