Updated installation.md with respect to information about CVAT_HOST for local installation (#4014)

CHANGELOG.md

@@ -36,6 +36,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Points of invisible shapes are visible in autobordering (<https://github.com/openvinotoolkit/cvat/pull/3931>)
 - Order of the label attributes in the object item details(<https://github.com/openvinotoolkit/cvat/pull/3945>)
 - Order of labels in tasks and projects (<https://github.com/openvinotoolkit/cvat/pull/3987>)
+- Added information to export CVAT_HOST when performing local installation for accessing over network (<https://github.com/openvinotoolkit/cvat/pull/4014>)
 
 ### Security
 - TDB

site/content/en/docs/administration/basics/installation.md

@@ -76,7 +76,12 @@ For access from China, read [sources for users from China](#sources-for-users-fr
   git clone https://github.com/opencv/cvat
   cd cvat
   ```
-
+- To access CVAT over a network or through a different system, export `CVAT_HOST` environment variable
+  
+  ```bash
+  export CVAT_HOST=your-ip-address
+  ```
+  
 - Run docker containers. It will take some time to download the latest CVAT
   release and other required images like postgres, redis, etc. from DockerHub and create containers.