Post lua tweaks

[daler]

• Initial config for LSP (Python, R, Lua)

• Use daler/zenburn.nvim fork for colorscheme

• Disable tree-sitter indentation for Python and Snakemake; use the pep8 python indentation plugin instead.

• Improve closing of buffers if they are not text buffers (aerial, nvim-tree, scratch from trouble.nvim)

• Reintroduce gv.vim

• Add more hints to descriptions of keybindings

• just use <leader>fb to toggle nvim-tree browser.

• Replace vim-airline with lualine and bufferline

• New plugins:

  • nvim-lspconfig
  • mason.nvim
  • trouble.nvim
  • bufferline
  • lualine

• Removed plugins:

  • vim-airline