added some configuration for clangd

lua/plugins/lsp.lua

@@ -20,7 +20,19 @@ return {
             local capabilities = require'blink.cmp'.get_lsp_capabilities()
 
             lspconfig.lua_ls.setup {capabilities = capabilities}
-            lspconfig.clangd.setup {capabilities = capabilities}
+            lspconfig.clangd.setup {
+              capabilities = capabilities,
+              init_options = {
+                compilationDatabaseDirectory = "build";
+                index = {
+                  threads = 0;
+                };
+                clang = {
+                  excludeArgs = { "-frounding-math"} ;
+                };
+              }
+            }
+
             --lspconfig.ccls.setup {
             --  capabilities = capabilities,
             --  init_options = {