chore: create ISSUE template

[mikesmithgh]

bugs:

Steps:
Run :KittyScrollbackCheckHealth

If :KittyScrollbackCheckHealth fails, please provide

• Kitty version
• Neovim version

Questions:

• Are you running within a terminal multiplexer (.e.g, tmux, screen). If so, which one?

  • tmux
  • screen
  • other (please specify)

• What shell are you using? (e.g., bash, ksh, fish, nushell, etc)

• What version of the shell? // TODO: possible add this to KittyScrollbackCheckHealth

• Are you using an Nvim Distro? If so, which one? (e.g., LazyVim, NvChad, mini.nvim AstroNvim, etc)

[mikesmithgh]

Troubleshooting step:

Run kitty in your Kitty terminal to open a new instance. Test if kitty-scrollback.nvim works in the new instance. It is possible that environment variables are not properly set on the first instance of Kitty.