fix(lsp): enable lsp keybinds always, even when no server is attached

lua/core/mappings.lua

@@ -145,6 +145,38 @@ end)
 vim.keymap.set("n", "]c", ":cn<CR>")
 vim.keymap.set("n", "[c", ":cp<CR>")
 
+vim.keymap.set("n", "<leader>dk", vim.diagnostic.open_float)
+vim.keymap.set("n", "[d", function()
+    vim.diagnostic.jump({ count = -1, float = true })
+end)
+vim.keymap.set("n", "]d", function()
+    vim.diagnostic.jump({ count = 1, float = true })
+end)
+vim.keymap.set("n", "gD", vim.lsp.buf.declaration)
+vim.keymap.set("n", "K", function()
+    vim.lsp.buf.hover({ max_width = 80 })
+end)
+vim.keymap.set({ "i", "s" }, "<C-s>", function()
+    vim.lsp.buf.signature_help({ max_width = 80 })
+end)
+vim.keymap.set({ "n", "i" }, "<C-h>", vim.lsp.buf.document_highlight)
+vim.keymap.set({ "n", "x" }, "<leader>lf", vim.lsp.buf.format)
+vim.keymap.set("n", "<leader>ld", function()
+    vim.diagnostic.enable(
+        not vim.diagnostic.is_enabled({ bufnr = 0 }),
+        { bufnr = 0 }
+    )
+end)
+vim.keymap.set({ "n", "i" }, "<C-l>", function()
+    vim.lsp.buf.clear_references()
+    vim.cmd.nohlsearch()
+    vim.schedule(vim.cmd.diffupdate)
+    return "<C-l>"
+end, { expr = true })
+vim.keymap.set("n", "<leader>dl", vim.diagnostic.setloclist)
+vim.keymap.set("n", "grt", vim.lsp.buf.type_definition)
+vim.keymap.set("n", "gd", vim.lsp.buf.definition)
+
 -- Default bindings that are good to know:
 -- insert mode:
 --  <C-T>           - indent, see :h i_CTRL-T