feat(rpmspec): port config for neovim 0.11

Author: TheRealLorenz

lsp/rpmspec.lua

@@ -0,0 +1,11 @@
+---@brief
+---
+---https://github.com/dcermak/rpm-spec-language-server
+--
+-- Language server protocol (LSP) support for RPM Spec files.
+return {
+  cmd = { 'python3', '-mrpm_lsp_server', '--stdio' },
+  filetypes = { 'spec' },
+  root_markers = { '.git' },
+  settings = {},
+}