message: feat(plugin): improve bg types
diff: @@ -42,6 +42,18 @@ declare module '@styli/types' {
  */
  bgColor?: BgColor | BgColorFn
  + /**
  + * Set backgroundColor
  + *
  + * same with bgColor
  + *
  + * @example
  + * ```tsx
  + * <View backgroundColor="red"></View>
  + * ```
  + */
  + backgroundColor?: BgColor | BgColorFn
  +
  /**
  * Set backgroundImage
  *
  @@ -52,16 +64,40 @@ declare module '@styli/types' {
  */
  bgImg?: string | boolean
  + /**
  + * Set backgroundImage
  + *
  + * same with bgImg
  + *
  + * @example
  + * ```tsx
  + * <View backgroundImage="https://styli.js.org/img/logo.png"></View>
  + * ```
  + */
  + backgroundImage?: string | boolean
  +
  /**
  * Set backgroundPosition
  *
  * @example
  * ```tsx
  - * <View bgPos="https://styli.js.org/img/logo.png"></View>
  + * <View bgPos="top left"></View>
  * ```
  */
  bgPos?: string | boolean
  + /**
  + * Set backgroundPosition
  + *
  + * same with bgPos
  + *
  + * @example
  + * ```tsx
  + * <View backgroundPosition="top left"></View>
  + * ```
  + */
  + backgroundPosition?: string | boolean
  +
  /**
  * Set backgroundSize
  *
  @@ -72,6 +108,18 @@ declare module '@styli/types' {
  */
  bgSize?: string | boolean
  + /**
  + * Set backgroundSize
  + *
  + * same with bgSize
  + *
  + * @example
  + * ```tsx
  + * <View backgroundSize="100% 100%"></View>
  + * ```
  + */
  + backgroundSize?: string | boolean
  +
  /**
  * Set backgroundRepeat
  *
  @@ -82,6 +130,18 @@ declare module '@styli/types' {
  */
  bgRepeat?: CSS.Property.BackgroundRepeat | CSS.Property.BackgroundRepeat[] | boolean
  + /**
  + * Set backgroundRepeat
  + *
  + * same with bgRepeat
  + *
  + * @example
  + * ```tsx
  + * <View backgroundRepeat="no-repeat"></View>
  + * ```
  + */
  + backgroundRepeat?: CSS.Property.BackgroundRepeat | CSS.Property.BackgroundRepeat[] | boolean
  +
  bgBlack?: boolean
  bgWhite?: boolean
  