message: feat: extend github api
  Add api call to fetch pull request comments
diff: @@ -27,6 +27,8 @@ export interface GitHub {
  issues(owner: string, repo: string, parameters?: IssuesParameters): Promise<GitHubResponse<Issue[]>>;
  + getPullRequestComments(owner: string, repo: string, number: number): Promise<GitHubResponse<PullRequestComment[]>>;
  +
  }
  export interface GitHubResponse<T> {
  @@ -35,6 +37,13 @@ export interface GitHubResponse<T> {
  body: T;
  }
  +export interface PullRequestComment {
  + diff_hunk: string;
  + path: string;
  + position: number;
  + body: string;
  +}
  +
  export interface Issue {
  html_url: string;
  number: number;
  @@ -210,7 +219,7 @@ namespace impl {
  @Headers('Accept: application/vnd.github.polaris-preview')
  @Get('/repos/:owner/:repo')
  - public getRepository(_owner: string, _repo: string): any {/* */}
  + public getRepository(): any {/* */}
  @Get('/repos/:owner/:repo/pulls/:number')
  public getPullRequest(): any {/* */}
  @@ -245,5 +254,8 @@ namespace impl {
  @Get('/repos/:owner/:repo/issues', true)
  public issues(): any {/* */}
  + @Get('/repos/:owner/:repo/pulls/:number/comments')
  + public getPullRequestComments(): any {/* */}
  +
  }
  }
  