Merge pull request #352 from vania-pooh/master

Added note about correctly setting browser images locale

docs/browser-images.adoc

@@ -9,4 +9,23 @@ We maintain a set of prebuilt Docker container images for different browsers inc
 All these images are free to use. See image tags for a list of supported versions. Build files are stored in http://github.com/aerokube/selenoid-images[selenoid-images] repository.
 Feel free to create issues or request images for new versions.
 
-NOTE: Complete list of browser images can be found in <<Browser Image information>>
+[NOTE]
+====
+. Complete list of browser images can be found in <<Browser Image information>>
+. These images support all UTF-8 locales. This can be important if you want to save files using national alphabet symbols. You can enable your preferred locale in browsers configuration file by setting respective environment variables:
+```
+{
+    "chrome": {
+        "default": "64.0",
+        "versions": {
+            "64.0": {
+                "image": "selenoid/vnc:chrome_64.0",
+                //...
+                "env" : ["LANG=ru_RU.UTF-8", "LANGUAGE=ru:en", "LC_ALL=ru_RU.UTF-8"]
+            }
+        }
+    }
+}
+```
+====
+