feat: add ExercismSubmit command

lua/exercism/commands.lua

@@ -13,6 +13,10 @@ M.setup = function()
         main.test_exercise()
     end, {})
 
+    vim.api.nvim_create_user_command('ExercismSubmit', function(_)
+        main.submit_exercise()
+    end, {})
+
     if config.add_default_keybindings then
         local function add_keymap(keys, cmd, desc)
             vim.api.nvim_set_keymap('n', keys, cmd, { noremap = true, silent = true, desc = desc })
@@ -21,6 +25,7 @@ M.setup = function()
         if config.add_default_keybindings then
             add_keymap('<leader>exl', ':ExercismList<CR>', 'Exercism List')
             add_keymap('<leader>ext', ':ExercismTest<CR>', 'Exercism Test')
+            add_keymap('<leader>exs', ':ExercismSubmit<CR>', 'Exercism Submit')
         end
     end
 end

lua/exercism/main.lua

@@ -83,4 +83,17 @@ M.test_exercise = function()
     end
 end
 
+M.submit_exercise = function()
+    local submit_cmd = 'exercism submit'
+    utils.async_shell_execute(submit_cmd, function(result)
+        if result then
+            vim.schedule(function()
+                local output = type(result) == 'table' and table.concat(result, '\n') or tostring(result)
+                local message = string.format('Exercise submitted successfully!\n%s', vim.trim(output))
+                utils.show_notification(message, vim.log.levels.INFO, 'Exercism')
+            end)
+        end
+    end)
+end
+
 return M