added nix lsp as dependancy

Changed files
+1
lua
technoduck
lazy_plugins
+1
lua/technoduck/lazy_plugins/lsp.lua
···
ensure_installed = {
'clangd',
'lua_ls',
'rust_analyzer',
'jedi_language_server',
'texlab',
···
ensure_installed = {
'clangd',
'lua_ls',
+
'nil_ls',
'rust_analyzer',
'jedi_language_server',
'texlab',