Commons: enable UCM and add version 1.32

metadata/fr.free.nrw.commons.txt

@@ -25,7 +25,12 @@ Build:1.15,33
     prebuild=sed -i "s/compile fileTree.*^/compile 'com.github.varunpant:Quadtree:3acd4676673551b0'/g" build.gradle && \
         sed -i 's#\(mavenCentral()\)#\1\nmaven { url "https://jitpack.io" }#g' ../build.gradle
 
-Auto Update Mode:None
+Build:1.32,50
+    commit=v1.32
+    subdir=app
+    gradle=yes
+
+Auto Update Mode:Version v%v
 Update Check Mode:Tags
 Current Version:1.15
 Current Version Code:33