docs: fix how to install oniguruma on linux

mcarmonaa · mcarmonaa · commit 997403c1a45e · 2018-09-13T14:48:27.000+01:00
Signed-off-by: Manuel Carmona &lt;manu.carmona90@gmail.com&gt;
diff --git a/docs/using-gitbase/getting-started.md b/docs/using-gitbase/getting-started.md
@@ -64,8 +64,13 @@ brew install oniguruma
 
 Linux:
 
+- Debian-based distros:
 ```
-sudo apt-get install libonig2
+sudo apt-get install libonig2 libonig-dev
+```
+- Arch linux:
+```
+pacman -S oniguruma
 ```
 
 Then build gitbase like this:
