Release 6.0.0

• fix(project): updated the docs (05d036d)
• fix(project): updated the docs (e88bb83)
• fix(project): minor (c0dc665)
• fix(project): updated express engine (91f7619)
• fix(project): updated the README.MD (704b8a1)
• fix(project): minor (a008aca)
• fix(project): minor (38c1175)
• Merge pull request #638 from 4Cast/master (34f8181)
• Remove personal firebase config (05bd54c)
• Refactor angular.json to use standard ng serve. (8587c42)
• Upgrade to Angular 13 and @angular/fire 7 (4affe98)
• Commit minor changes after clone. (a49fa9e)
• Merge pull request #634 from PatientMapp/chore/update-password-strength-extention (7d3ad04)
• chore: Update @angular-material-extensions/password-strength to v9 (d793935)
• Merge pull request #626 from aviyot/patch-1 (746e4d0)
• Update ngx-auth-firebaseui-providers.md (a29dda6)