feat(nvim): add bash language server

modules/programs/nvim/default.nix

@@ -44,7 +44,9 @@ in
           jq
           nil
           nixpkgs-fmt
+          nodePackages.bash-language-server
           rustfmt
+          shellcheck
           shfmt
           stylua
           sumneko-lua-language-server

modules/programs/nvim/init.lua

@@ -271,7 +271,13 @@ local function lspconfig_setup(lsp, options)
   lspconfig[lsp].setup(final_options)
 end
 
-local servers = { "nil_ls", "pylsp", "rust_analyzer", "ruff_lsp" }
+local servers = {
+  "bashls",
+  "nil_ls",
+  "pylsp",
+  "ruff_lsp",
+  "rust_analyzer",
+}
 for _, lsp in ipairs(servers) do
   lspconfig_setup(lsp, {})
 end