moved comment service to correct location

backend-services/comment-service/.gitignore

backend-services/comment-service/package-lock.json

backend-services/comment-service/package.json

backend-services/comment-service/src/config/config.ts

backend-services/comment-service/src/controllers/Comment.ts

backend-services/comment-service/src/library/logging.ts

...end-services/comment-service/src/middleware/extractJWT.ts

backend-services/comment-service/src/models/Comment.ts

backend-services/comment-service/src/routes/Comment.ts

backend-services/comment-service/src/server.ts

backend-services/comment-service/src/utils/jwt.utils.ts

backend-services/comment-service/tsconfig.json

comment-service/.env