Admin manage pending accounts

src/api/__mocks__/users.js

src/api/users.js

src/lang/en.js

src/store/modules/users.js

src/views/users/components/ModerationDropdown.vue

src/views/users/components/MultipleUsersMenu.vue

src/views/users/components/UsersFilter.vue

src/views/users/index.vue

src/views/users/show.vue

test/views/users/index.test.js

test/views/users/multipleUsersMenu.test.js

test/views/users/usersFilters.test.js