DOC: code of conduct link doesn't work
#### Location of the documentation

https://pandas.pydata.org/about/team.html

**Note**: You can check the latest versions of the docs on `master` [here](https://pandas.pydata.org/docs/dev/).

#### Documentation problem

> We have a code of conduct to ensure a friendly and welcoming environment. 

"code of conduct" links to https://pandas.pydata.org/about/%7Bbase_url%7D/community/coc.html , which doesn't exist

#### Suggested fix for documentation

Link to correct page
