Add issue templates

[paddyroddy]

To this repo & template. I have some here https://github.com/paddyroddy/python-template/tree/main/.github/ISSUE_TEMPLATE

[paddyroddy]

Fixed in #262

[dstansby]

🤔 I'm not seeing any template when I try and open a new issue, just the usual empty title and text boxes

[paddyroddy]

🤔 I'm not seeing any template when I try and open a new issue, just the usual empty title and text boxes

Hmm... me neither