Cryptocurrencyeda

Documentation
* Update docs folder ([`09a0fdf`](https://github.com/UBC-MDS/cryptocurrencyeda/commit/09a0fdfbd8bb3c9018609e8c2c0333c6c52f0f70))
* Format README ([`d29f1bf`](https://github.com/UBC-MDS/cryptocurrencyeda/commit/d29f1bfbf270448f46cc87c62dbeb9ca04ee5d42))
* Update README ([`ac5f1c1`](https://github.com/UBC-MDS/cryptocurrencyeda/commit/ac5f1c1feb8939fa1ec8ab4ad934374fe08ab0a5))

Feature
* Update func and test ([`7b89582`](https://github.com/UBC-MDS/cryptocurrencyeda/commit/7b89582aa4f55348fed551f2b4a9f2dd615a65dc))
* Add function code ([`0d52247`](https://github.com/UBC-MDS/cryptocurrencyeda/commit/0d52247c7fd8683ca4397cdd5d48504037c74b95))
* Add function body and more tests ([`a59ffde`](https://github.com/UBC-MDS/cryptocurrencyeda/commit/a59ffde6ddb4ebb759fbdbf57158dac4a3a89c40))
* Add test for daily_growth_rate ([`0659060`](https://github.com/UBC-MDS/cryptocurrencyeda/commit/0659060f4f7077cebb09b52e709c4df10f3f3b1b))

Documentation
* Add documentation for test function ([`29c877a`](https://github.com/UBC-MDS/cryptocurrencyeda/commit/29c877af08ddf886b23c6d0ece6743891c237c96))
* Edit contributing.md ([`5a953cf`](https://github.com/UBC-MDS/cryptocurrencyeda/commit/5a953cfb0b5980cabc25c64c6ebfbfc421ba5305))