app.js

/**
 * This is the main entrypoint to your Probot app
 * @param {import('probot').Probot} app
 */
module.exports = (app) => {
    app.log.info("protector is enabled!");
    app.on("repository.created", async (context) => {
            const repo = context.payload.repository.name;
            const owner = context.payload.repository.owner.login;

            const protectionParams = {
                owner: owner,
                repo: repo,
                branch: 'main',
                enforce_admins: null,
                required_pull_request_reviews: {
                    bypass_pull_request_allowances: {},
                    dismiss_stale_reviews: true,
                    dismissal_restrictions: {},
                    require_code_owner_reviews: true,
                    required_approving_review_count: 2
                },
                required_status_checks: null,
                restrictions: null,
            };
            const issueParams = {
                owner: owner,
                repo: repo,
                title: "Protection on Main Branch enabled ",
                body: "@vinayski \n**[  Details of protected branch ](https://github.com/"+owner+"/"+repo+"/settings/branches)**\n```json\n" + JSON.stringify(protectionParams.required_pull_request_reviews,null,'\t') + "\n```"
            }; 
            await context.octokit.repos.updateBranchProtection(protectionParams);
            await context.octokit.issues.create(issueParams);
        }
    );
};