* Provide a utility function for aligning text
* Replace lvim banner with one using only ASCII chars
* Use strings.format instead of .. operator
* Center text in the popup based on its dimentions
* Minor improvements
* Provide a popup factory function
* Add function documentation
* Improve text alignment
* Print marker only if provider list is not empty
* Format client capabilities as list
* Pretty format lsp client capabilities
* Add a metatable to popup.lua
* Improve rendering when no lsp is available
* Take cmdheight into acount when computing popup size and pos
Co-authored-by: kylo252 <59826753+kylo252@users.noreply.github.com>
