Added exporter custom path to docs #1819 (#1850)

Added explanation on how to change the default output of the exporters in exporters.md

Author: asaf92

docs/articles/configs/exporters.md

@@ -7,7 +7,8 @@ name: Exporters
 
 An *exporter* allows you to export results of your benchmark in different formats.
 By default, files with results will be located in 
-`.\BenchmarkDotNet.Artifacts\results` directory. Default exporters are: csv, html and markdown.
+`.\BenchmarkDotNet.Artifacts\results` directory, but this can be changed via the `ArtifactsPath` property in the `IConfig`. 
+Default exporters are: csv, html and markdown.
 
 ---
 
@@ -117,4 +118,4 @@ Excerpt from the resulting CSV file:
 ```
 Method,...,Mean [us],Error [us],StdDev [us],Min [us],Max [us],Allocated [KB]
 Benchmark,...,"37,647.6","32,717.9","21,640.9","11,209.2","59,492.6",1.58
-```
+```