Added base folke setup

lua/plugins/lsp/diagnostics.lua

@@ -0,0 +1,26 @@
+local M = {}
+
+M.signs = { Error = " ", Warn = " ", Hint = " ", Info = " " }
+
+function M.setup()
+  -- Automatically update diagnostics
+  vim.diagnostic.config({
+    underline = true,
+    update_in_insert = false,
+    virtual_text = { spacing = 4, prefix = "●" },
+    severity_sort = true,
+  })
+
+  vim.lsp.handlers["workspace/diagnostic/refresh"] = function(_, _, ctx)
+    local ns = vim.lsp.diagnostic.get_namespace(ctx.client_id)
+    pcall(vim.diagnostic.reset, ns)
+    return true
+  end
+
+  for type, icon in pairs(M.signs) do
+    local hl = "DiagnosticSign" .. type
+    vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = "" })
+  end
+end
+
+return M