Merge branch 'feature/web-api-guide' into 'feature/web-ui-guide'

.gitignore

.gitlab-ci.yml

docs/guides/web-api/categories-api.md

docs/guides/web-api/hello-api.md

docs/guides/web-api/introduction.md

docs/guides/web-api/json-ld-source-api.md

docs/guides/web-api/search-api.md

docs/index.md

sidebars.ts