docs: document that the LspAttach autocmd can be used

Author: saecki

doc/crates.txt

@@ -662,6 +662,8 @@ on_attach                                            *crates-config-on_attach*
 
     NOTE: Ignored if |crates-config-autoload| is disabled.
 
+    NOTE: If you're using the |LspAttach| autocmd, this isn't necessary.
+
 
 text                                                      *crates-config-text*
     Section type: `TextConfig`

docgen/templates/documentation.md.in

@@ -41,7 +41,8 @@ require("crates").setup {
     lsp = {
         enabled = true,
         on_attach = function(client, bufnr)
-            -- the same on_attach function as for your other lsp's
+            -- the same on_attach function as for your other language servers
+            -- can be ommited if you're using the `LspAttach` autocmd
         end,
         actions = true,
         completion = true,

docgen/wiki/Documentation-unstable.md

@@ -41,7 +41,8 @@ require("crates").setup {
     lsp = {
         enabled = true,
         on_attach = function(client, bufnr)
-            -- the same on_attach function as for your other lsp's
+            -- the same on_attach function as for your other language servers
+            -- can be ommited if you're using the `LspAttach` autocmd
         end,
         actions = true,
         completion = true,

lua/crates/config/init.lua

@@ -239,6 +239,8 @@ entry(M.schema, {
         Callback to run when a `Cargo.toml` file is opened.
 
         NOTE: Ignored if |crates-config-autoload| is disabled.
+
+        NOTE: If you're using the |LspAttach| autocmd, this isn't necessary.
     ]],
 })