rename run => print

examples/cat.rs

@@ -12,6 +12,6 @@ fn main() {
             StyleComponent::Numbers,
         ]))
         .input_files(std::env::args_os().skip(1))
-        .run()
+        .print()
         .expect("no errors");
 }

examples/simple.rs

@@ -7,6 +7,6 @@ fn main() {
 
     PrettyPrinter::new()
         .input_file(path_to_this_file)
-        .run()
+        .print()
         .expect("no errors");
 }