Updated documentation.

README.rst

@@ -1,14 +1,24 @@
 Trie implementation using nested dictionaries
 =============================================
 
+.. image:: https://img.shields.io/github/last-commit/jfjlaros/dict-trie.svg
+   :target: https://github.com/jfjlaros/dict-trie/graphs/commit-activity
 .. image:: https://travis-ci.org/jfjlaros/dict-trie.svg?branch=master
    :target: https://travis-ci.org/jfjlaros/dict-trie
 .. image:: https://readthedocs.org/projects/dict-trie/badge/?version=latest
    :target: https://dict-trie.readthedocs.io/en/latest
-.. image:: https://img.shields.io/pypi/v/dict-trie.svg
-   :target: https://pypi.org/project/dict-trie/
+.. image:: https://img.shields.io/github/release-date/jfjlaros/dict-trie.svg
+   :target: https://github.com/jfjlaros/dict-trie/releases
 .. image:: https://img.shields.io/github/release/jfjlaros/dict-trie.svg
    :target: https://github.com/jfjlaros/dict-trie/releases
+.. image:: https://img.shields.io/pypi/v/dict-trie.svg
+   :target: https://pypi.org/project/dict-trie/
+.. image:: https://img.shields.io/github/languages/code-size/jfjlaros/dict-trie.svg
+   :target: https://github.com/jfjlaros/dict-trie
+.. image:: https://img.shields.io/github/languages/count/jfjlaros/dict-trie.svg
+   :target: https://github.com/jfjlaros/dict-trie
+.. image:: https://img.shields.io/github/languages/top/jfjlaros/dict-trie.svg
+   :target: https://github.com/jfjlaros/dict-trie
 .. image:: https://img.shields.io/github/license/jfjlaros/dict-trie.svg
    :target: https://raw.githubusercontent.com/jfjlaros/dict-trie/master/LICENSE.md