Update tiers.md (#306)

Author: curquiza

resources/tiers.md

@@ -118,6 +118,8 @@ Here is the list of the external collaborators that help us:
 - **[@sanders41](https://github.com/sanders41)**: [`meilisearch-python`](https://github.com/meilisearch/meilisearch-python), [`docs-scraper`](https://github.com/meilisearch/docs-scraper)
 - **[@ellnix](https://github.com/ellnix)**: [`meilisearch-ruby`](https://github.com/meilisearch/meilisearch-ruby), [`meilisearch-rails`](https://github.com/meilisearch/meilisearch-rails)
 - **[@Sherlouk](https://github.com/Sherlouk)**: [`meilisearch-swift`](https://github.com/meilisearch/meilisearch-swift)
+- **[@flevi29](https://github.com/flevi29)**: [`meilisearch-js`](https://github.com/meilisearch/meilisearch-js), [`meilisearch-js-plugins`](https://github.com/meilisearch/meilisearch-js-plugins)
+- **[@Ja7ad](https://github.com/Ja7ad)**: [`meilisearch-go`](https://github.com/meilisearch/meilisearch-go)
 
 ## FAQ