Merge #687

687: Fix docker run documentation r=bidoubiwa a=bb

Without this PR, meilisearch does not start and shows the following error message:

```
error: The argument '--no-analytics <no-analytics>' requires a value but none was supplied
```

Co-authored-by: Benjamin Bock <[email protected]>

Author: bors[bot]

CONTRIBUTING.md

@@ -42,7 +42,7 @@ Each PR should pass the tests and the linter to be accepted.
 ```bash
 # Tests
 $ docker pull getmeili/meilisearch:latest # Fetch the latest version of MeiliSearch image from Docker Hub
-$ docker run -p 7700:7700 getmeili/meilisearch:latest ./meilisearch --master-key=masterKey --no-analytics
+$ docker run -p 7700:7700 getmeili/meilisearch:latest ./meilisearch --master-key=masterKey --no-analytics=true
 $ yarn test
 # Linter
 $ yarn style