fix(neovim): SQL support fixed

- fix: Old completion plugin removed
- refactor: All DADBOD plugins & their configs merged
- new: Map <leader>Q to execute query
- LSP: sqlls lsp removed

common/.config/nvim/lua/core/lsp.lua

@@ -17,7 +17,6 @@ vim.lsp.enable({
     "shellcheck",
     "shellharden",
     "shfmt",
-    "sqlls",
     "taplo",
     "trivy",
     "ts_ls",