v0.1.2

• Indent with hard tab is now supported. TextArea::set_hard_tab_indent method enables indentation with a hard tab on hitting a tab key.

  let mut textarea = TextArea::default();
  
  textarea.set_hard_tab_indent(true);
  textarea.insert_tab();
  assert_eq!(textarea.lines(), ["\t"]);

  Demo with cargo run --example editor:
  
• Add TextArea::indent method to get an indent string of textarea.

  let mut textarea = TextArea::default();
  
  assert_eq!(textarea.indent(), "    ");
  textarea.set_tab_length(2);
  assert_eq!(textarea.indent(), "  ");
  textarea.set_hard_tab_indent(true);
  assert_eq!(textarea.indent(), "\t");