Add isPublicRepo (#140)

Author: kidonng

index.ts

@@ -360,6 +360,8 @@ export const isEmptyRepoRoot = (): boolean => isRepoHome() && !exists('link[rel=
 
 export const isEmptyRepo = (): boolean => exists('[aria-label="Cannot fork because repository is empty."]');
 
+export const isPublicRepo = (): boolean => Boolean(isRepo() && $('#repository-container-header .Label')!.textContent!.startsWith('Public'));
+
 export const isArchivedRepo = (): boolean => Boolean(isRepo() && $('#repository-container-header .Label')!.textContent!.endsWith('archive'));
 
 export const isBlank = (): boolean => exists('main .blankslate');