feat(structures): add elastic search stack for better search handling

.gitlab-ci.yml

docker-compose.yml

package-lock.json

package.json

scripts/init-ghost.js

src/admin/admin.controller.spec.ts

src/search/search.module.ts

src/structures/interfaces/structure-search-body.interface.ts

...uctures/interfaces/structure-search-response.interface.ts

src/structures/services/structures-search.service.ts

src/structures/services/structures.service.ts

src/structures/structures.controller.ts

src/structures/structures.module.ts

src/users/users.controller.spec.ts

template.env