Merge branch 'implement-query' into 'master'

package-lock.json

package.json

src/app/app.module.ts

src/app/components/query/query.component.html

src/app/components/query/query.component.scss

src/app/components/query/query.component.spec.ts

src/app/components/query/query.component.ts

src/app/pages/explorer-page/explorer-page.component.html

src/app/pages/explorer-page/explorer-page.component.ts

src/index.html

src/polyfills.ts

src/styles.scss