message: Add missing DocumentConstructionContext type
diff: +interface DocumentConstructionContext {
  + /**
  + * The parent Document of this one, if this one is embedded
  + * @defaultValue `null`
  + */
  + parent?: Document | null;
  +
  + /**
  + * The compendium collection ID which contains this Document, if any
  + * @defaultValue `null`
  + */
  + pack?: string | null;
  +
  + /**
  + * Whether to validate initial data strictly?
  + * @defaultValue `true`
  + */
  + strict?: boolean;
  +}
  +
  interface DocumentModificationContext {
  /**
  * A parent Document within which these Documents should be embedded
  