feat(home-manager): rework neovim configuration

Use new neovim option introduced in 0.11

modules/home-manager/cli/neovim/files/options.lua

@@ -121,3 +121,25 @@ vim.lsp.set_log_level("off")
 -- define a timeout for match parens
 vim.g.matchparen_timeout = 2
 vim.g.matchparen_insert_timeout = 2
+
+-- activate virtual lines for diagnistics
+-- no more plugins needed
+vim.diagnostic.config({
+  virtual_lines = true
+
+  -- Alternatively, customize specific options
+  -- virtual_lines = {
+  --  -- Only show virtual line diagnostics for the current cursor line
+  --  current_line = true,
+  -- },
+})
+
+-- LSP configuration
+vim.lsp.enable('bash')
+vim.lsp.enable('helm')
+vim.lsp.enable('lua')
+vim.lsp.enable('nills')
+vim.lsp.enable('pylsp')
+vim.lsp.enable('terraformls')
+vim.lsp.enable('tflint')
+vim.lsp.enable('yaml')