chore(admin): refactor and add aggrid

src/app/admin/admin-routing.module.ts

src/app/admin/admin.module.ts

src/app/admin/admin.scss

...components/claim-structure/claim-structure.component.html

...n/components/claim-structure/claim-structure.component.ts

...ents/deleted-structures/deleted-structures.component.html

...ents/deleted-structures/deleted-structures.component.scss

...onents/deleted-structures/deleted-structures.component.ts

...ponents/lockdown-info/manage-lockdown-info.component.html

...omponents/lockdown-info/manage-lockdown-info.component.ts

...mponents/manage-employers/manage-employers.component.html

...mponents/manage-employers/manage-employers.component.scss

...components/manage-employers/manage-employers.component.ts

.../manage-jobs/attached-users/attached-users.component.html

...ts/manage-jobs/attached-users/attached-users.component.ts

...p/admin/components/manage-jobs/manage-jobs.component.html

...p/admin/components/manage-jobs/manage-jobs.component.scss

...app/admin/components/manage-jobs/manage-jobs.component.ts

...admin/components/manage-users/manage-users.component.html

...admin/components/manage-users/manage-users.component.scss