FIX: add MLKR and MMC to doc (#114)

wdevazelhes · perimosocordiae · commit e8eb1a600e0e · 2018-08-17T19:16:28.000-04:00
diff --git a/doc/index.rst b/doc/index.rst
@@ -25,6 +25,8 @@ metric learning algorithms.
    metric_learn.nca
    metric_learn.lfda
    metric_learn.rca
+   metric_learn.mmc
+   metric_learn.mlkr
 
 Each metric supports the following methods:
 
