feat: add danmuku plugin and i18n setup documentation

- Created a new documentation file for the danmuku plugin with code examples.
- Added a new documentation file for language settings (i18n) with detailed instructions on language imports, default languages, and how to add or modify languages.

docs/assets/ts/artplayer.d.ts

@@ -126,6 +126,8 @@ export interface Subtitle {
   onVttLoad?: (vtt: string) => string
 }
 
+
+
 export interface SettingOption extends Omit<Setting, 'html' | 'icon' | 'tooltip'> {
   html: string
   icon: string | undefined
@@ -237,6 +239,10 @@ export interface Quality {
   url: string
 }
 
+
+
+
+
 export type AspectRatio = 'default' | '4:3' | '16:9' | (`${number}:${number}` & Record<never, never>)
 export type PlaybackRate = 0.5 | 0.75 | 1.0 | 1.25 | 1.5 | 1.75 | 2.0 | (number & Record<never, never>)
 export type Flip = 'normal' | 'horizontal' | 'vertical' | (string & Record<never, never>)
@@ -346,6 +352,15 @@ export declare class Player {
   reset(): void
 }
 
+
+
+
+
+
+
+
+
+
 export type CustomType
   = | 'flv'
     | 'm3u8'
@@ -754,6 +769,9 @@ declare module 'artplayer/i18n/*' {
   export default lang
 }
 
+
+
+
 export type Bar = 'loaded' | 'played' | 'hover'
 
 export interface Events {
@@ -977,6 +995,8 @@ export interface Config {
   ]
 }
 
+
+
 export interface Selector {
   /**
    * Whether the default is selected
@@ -1108,6 +1128,18 @@ export interface ComponentOption {
   onSelect?: (this: Artplayer, selector: Selector, element: HTMLElement, event: Event) => void
 }
 
+
+
+
+
+
+
+
+
+
+
+
+
 export type {
   Config,
   Events,
@@ -1297,5 +1329,5 @@ export default class Artplayer extends Player {
   } & Record<string, unknown>
 }
 
-export = Artplayer
-export as namespace Artplayer;
+export = Artplayer;
+export as namespace Artplayer;