refactor: move backport data generation to configs parser

src/service/git/git-client.ts

@@ -38,4 +38,5 @@ import { BackportPullRequest, GitPullRequest } from "@bp/service/git/git.types";
    * @returns {Promise<string>} the pull request url
    */
   createPullRequest(backport: BackportPullRequest): Promise<string>;
+
 }

src/service/git/git.types.ts

@@ -13,8 +13,8 @@ export interface GitPullRequest {
   labels: string[],
   targetRepo: GitRepository,
   sourceRepo: GitRepository,
-  nCommits?: number, // number of commits in the pr
-  commits?: string[], // merge commit or last one
+  nCommits: number, // number of commits in the pr
+  commits: string[], // merge commit or last one
   branchName?: string,
 }
 
@@ -34,7 +34,8 @@ export interface BackportPullRequest {
   reviewers: string[], // pr list of reviewers
   assignees: string[], // pr list of assignees
   labels: string[], // pr list of assigned labels
-  branchName?: string,
+  comments: string[], // pr list of additional comments
+  // branchName?: string,
 }
 
 export enum GitClientType {

src/service/git/gitlab/gitlab-client.ts

@@ -141,7 +141,6 @@ export default class GitLabClient implements GitClient {
     return mr.web_url;
   }
 
-
   /**
    * Retrieve a gitlab user given its username
    * @param username