Default pleroma theme

src/freedombone-app-pleroma

         echo $"$PLEROMA_DIR/static/config.json file missing"
         exit 323689
     fi
-    sed -i 's|"theme":.*|"theme": "base16-apathy.css",|g' $PLEROMA_DIR/priv/static/static/config.json
+    sed -i 's|"theme":.*|"theme": "base16-summerfruit-dark.css",|g' $PLEROMA_DIR/priv/static/static/config.json
 
     if [ $PLEROMA_BACKGROUND_IMAGE_URL ]; then
         pleroma_set_background_image_from_url $PLEROMA_DIR/priv/static "$PLEROMA_DOMAIN_NAME" "$PLEROMA_BACKGROUND_IMAGE_URL" "$PLEROMA_TITLE"