Merge pull request #231 from abelcha/patch-1

Add doc on config.jsonc location

README.md

@@ -169,6 +169,7 @@ The following adapters are disabled by default, and can be enabled using '--rga-
 
 > rga \[RGA OPTIONS\] \[RG OPTIONS\] PATTERN \[PATH \...\]
 
+
 ## FLAGS:
 
 **\--rga-accurate**
@@ -262,6 +263,15 @@ All other options not shown here are passed directly to rg, especially
 
 <!-- end of part generated by update-readme.sh -->
 
+## Config
+The config file location leverage the mechanisms defined by
+- the [XDG base directory](https://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html) and
+  the [XDG user directory](https://www.freedesktop.org/wiki/Software/xdg-user-dirs/) specifications on Linux (ex: `~/.config/ripgrep-all/config.jsonc`)
+- the [Known Folder](https://msdn.microsoft.com/en-us/library/windows/desktop/dd378457.aspx) API on Windows (ex:  `C:\Users\Alice\AppData\Roaming\ripgrep-all/config.jsonc`)
+- the [Standard Directories](https://developer.apple.com/library/content/documentation/FileManagement/Conceptual/FileSystemProgrammingGuide/FileSystemOverview/FileSystemOverview.html#//apple_ref/doc/uid/TP40010672-CH2-SW6)
+  guidelines on macOS (ex: `~/Library/Application Support/ripgrep-all/config.jsonc`)
+
+
 ## Development
 
 To enable debug logging: