fix: expose target scommand in :RustAnalyzer command completion (#589)

Author: MarkusPettersson98

lua/rustaceanvim/lsp/init.lua

@@ -363,7 +363,7 @@ vim.api.nvim_create_user_command('RustAnalyzer', rust_analyzer_cmd, {
   complete = function(arg_lead, cmdline, _)
     local clients = rust_analyzer.get_active_rustaceanvim_clients()
     ---@type RustAnalyzerCmd[]
-    local commands = #clients == 0 and { 'start' } or { 'stop', 'restart', 'reloadSettings' }
+    local commands = #clients == 0 and { 'start' } or { 'stop', 'restart', 'reloadSettings', 'target' }
     if cmdline:match('^RustAnalyzer%s+%w*$') then
       return vim.tbl_filter(function(command)
         return command:find(arg_lead) ~= nil