Include the Installation, Authors and License sections.

README.md

@@ -1,2 +1,17 @@
 # qdna-lib
 Qdna-lib aim to pioneer advancements that not only push the boundaries of quantum computing but also provide benefits to the field of data science and artificial intelligence.
+
+## Installation
+The easiest way of installing qdna-lib is by using pip:
+
+```python
+pip install qdna-lib
+``` 
+## Authors
+The first version of qdna-lib was developed at [Quantum Data Science & AI lab](https://quantumpark.yonsei.ac.kr/) (also known as q-DNA) - Yonsei University. Qdna-lib is an active project, and other people have contributed.
+
+If you are doing research using qdna-lib, please cite our project.
+We use a [CITATION.cff](https://citation-file-format.github.io/) file, so you can easily copy the citation information from the repository landing page.
+
+## License
+Qdna-lib is **free** and **open source**, released under the Apache License, Version 2.0.