code: func (c *Client) ReleaseCreate(appIdentity string, slug string, options *ReleaseCreateOpts) (*Release, error) {
  	params := struct {
  		Slug        string  `json:"slug"`
  		Description *string `json:"description,omitempty"`
  	}{
  		Slug: slug,
  	}
  	if options != nil {
  		params.Description = options.Description
  	}
  	var releaseRes Release
  	return &releaseRes, c.Post(&releaseRes, "/apps/"+appIdentity+"/releases", params)
  }
docs: // Create new release. The API cannot be used to create releases on Bamboo apps.
  //
  // appIdentity is the unique identifier of the Release's App. slug is the unique
  // identifier of slug. options is the struct of optional parameters for this
  // action.