docs(api): restore docs

docs/api/ProgressBar.md

@@ -63,15 +63,15 @@ Increases current progress on step value
 
 #### Parameters
 
-| Name      | Type                                                                  | Description                                                                     |
-| :-------- | :-------------------------------------------------------------------- | :------------------------------------------------------------------------------ |
-| `step?`   | _number_                                                              | Value by which the current progress will increase                               |
-| `tokens?` | [_IProgressBarToken_](../interfaces/progressbar.iprogressbartoken.md) | Add custom tokens by adding a `{'name': value}` object parameter to your method |
+| Name      | Type                | Description                                                                             |
+| :-------- | :------------------ | :-------------------------------------------------------------------------------------- |
+| `step?`   | _number_            | Value by which the current progress will increase                                       |
+| `tokens?` | _IProgressBarToken_ | Add custom tokens by adding a `{[key: string]: string}` object parameter to your method |
 
 #### Example
 
 ```javascript
 const bar = new Progress(':bar template with custom :token');
 
-bar.tick(10, { token: 100 });
+bar.tick(10, { token: `100` });
 ```

docs/api/Task.md

@@ -0,0 +1,63 @@
+# Task
+
+Entity for managing a task - includes all child objects (informational messages, errors, progress bars, and tasks)
+
+## Constructor
+
+```typescript
+new Task(text?: string, options?: ITaskOptions)
+```
+
+#### Parameters
+
+| Name                | Type      | Description                                               |
+| :------------------ | :-------- | :-------------------------------------------------------- |
+| `text`              | _string_  | Task text message                                         |
+| `options.autoClear` | _boolean_ | Removes all subtasks and progress bars after complete     |
+| `options.status`    | _enum_    | New subtask status `(Completed, Failed, Pending,Skipped`) |
+
+## Methods
+
+### add
+
+Create new subtask
+
+### bar
+
+Adds a new progress bar. Returns a progress bar object
+
+### clear
+
+Removes all subtasks and progress bars
+
+### complete
+
+Complete task
+
+### error
+
+Add new task error
+
+### fail
+
+Fail task
+
+### log
+
+Add log message
+
+### render
+
+Render task output
+
+### skip
+
+Skip task
+
+### update
+
+Update task text
+
+### warn
+
+Add task warning

docs/api/TaskTree.md

@@ -0,0 +1,41 @@
+# TaskTree
+
+Singleton to manage the task tree
+
+## Methods
+
+### add
+
+Adds a new task to the task tree. If there are active tasks, add a new one as a subtask - to the last subtask of the first active task
+
+### exit
+
+Force the process to exit (see process.exit). Do nothing in "silent mode"
+
+### fail
+
+Fail active task or adds a new subtask and call fail on it
+
+### render
+
+Render a task tree into a `string[]`. Returns strings with tasks hierarchy
+
+### start
+
+Starts output a task tree in a terminal at a defined interval. In “silent mode” - the task tree only collects tasks and is not output it in a terminal
+
+### stop
+
+Stop output a task tree in a terminal
+
+### add
+
+Adds a new task to the task tree. If there are active tasks, add a new one as a subtask - to the last subtask of the first active task
+
+### fail
+
+Fail active task or adds a new subtask and call fail on it
+
+### tree
+
+Method to get the object to control the tree (with [Theme](Theme.md))

docs/api/Theme.md

@@ -33,6 +33,8 @@ All theme options is object with several fields:
 | list    |    ✖     | `#4285f4` - symbol            |      ❯      | list symbol                                  |
 | dim     |    ✖     | `#838584` - symbol, bar       |     `-`     | dim color                                    |
 
+> If you use a gradient fill for the progress bar - the color will change from `active` to `success`
+
 ```javascript
 const theme = {
   default: '#ffffff',