README.md in grc-0.1.1 vs README.md in grc-0.1.3

- old
+ new
@@ -1,7 +1,23 @@
 # GRC - Methods for working with Ancient Greek in Ruby
 
 [![Ruby](https://github.com/bcdavasconcelos/grc/actions/workflows/main.yml/badge.svg)](https://github.com/bcdavasconcelos/grc/actions/workflows/main.yml) [![Gem Version](https://badge.fury.io/rb/grc.svg)](https://badge.fury.io/rb/grc)
+           
+```ruby
+'αβγ'.grc?                 # true
+'abc'.grc?                 # false
+'ἄ'.no_downcase_diacritics # α
+'Ἀ'.no_upcase_diacritics   # Α
+'ἄἈ'.no_diacritics         # αΑ
+'ά'.tonos_to_oxia          # ά
+'ά'.oxia_to_tonos          # ά
+'ὰ'.grave_to_acute         # ά
+'ά'.acute_to_grave         # ὰ
+'α'.unicode_name           # ['GREEK SMALL LETTER ALPHA']
+'α'.unicode_points         # ['\\u03B1']
+'ᾄ'.nfc                    # ᾄ
+'ᾄ'.nfd                    # ᾄ
+```
 
 ## Installation
 
 Install the gem and add to the application's Gemfile by executing:
 