Contributors: Add maintainer for Xiaomi Redmi 3/Prime (ido)

Change-Id: I90e0e90185aaee735c18ccde8e812ffe84a14bb6
diff --git a/CONTRIBUTORS.mkdn b/CONTRIBUTORS.mkdn
index 046dcc1..0431e11 100644
--- a/CONTRIBUTORS.mkdn
+++ b/CONTRIBUTORS.mkdn
@@ -188,6 +188,7 @@
 * __Xiaomi Mi3/4 (cancro):__ JoeyRizzoli
 * __Xiaomi Mi5 (gemini):__ bgcngm, defer, h2o64
 * __Xiaomi Redmi 1S (armani):__ fefifofum
+* __Xiaomi Redmi 3/Prime (ido):__ Anik1199
 * __Xiaomi Redmi Note 3 (kenzo):__ TheStrix
 * __ZTE Nubia Z9 Max (nx510j):__ dianlujitao