update readme

README.md

@@ -243,6 +243,14 @@ And that's it! you can upload the files to your website, or zip them up and uplo
 `linkColor`  
 > Color of links in text  
 
+\
+`overlayTextColor`  
+> Color of info text on the cover overlay  
+
+\
+`overlayBackgroundColor`  
+> Color of the overlay background  
+
 \
 `layoutStyle`  
 > Styles the overall structure of the player  
@@ -257,6 +265,12 @@ And that's it! you can upload the files to your website, or zip them up and uplo
 > `"below"` text sits below the cover image (note: this will push down the controls and track list in a vertical layout)  
 > `"none"` text is not displayed (other than in the info drawer under the track, when toggled)  
 
+\
+`hideInfoDropdown`  
+> Hides the info dropdown box beneath tracks  
+> `false` (default) info dropdown is not hidden  
+> `true` info dropdown is hidden  
+
 \
 `contentWidth`  
 > Width of the column containing the controls, track list, and description