+1 icon (#2414)

* Add flexify.svg

* Update appfilter.xml to map flexify.svg

* Update appfilter.xml

* Minor fix

---------

Co-authored-by: Gleb <60105060+x9136@users.noreply.github.com>

app/assets/appfilter.xml

@@ -3694,6 +3694,7 @@
   <item component="ComponentInfo{com.jazibkhan.equalizer/com.zipoapps.premiumhelper.ui.splash.PHSplashActivity}" drawable="flat_equalizer" name="Flat Equalizer" />
   <item component="ComponentInfo{com.jazibkhan.equalizer/com.jazibkhan.equalizer.ui.activities.MainActivity}" drawable="flat_equalizer" name="Flat Equalizer" />
   <item component="ComponentInfo{com.bocharov.xposed.fscb/com.bocharov.xposed.fscb.settings.Main}" drawable="flat_style_colored_bars" name="Flat Style Colored Bars" />
+  <item component="ComponentInfo{com.presley.flexify/com.presley.flexify.MainActivity}" drawable="flexify" name="Flexify" />
   <item component="ComponentInfo{com.flickr.android/com.yahoo.mobile.client.android.flickr.ui.misc.LoginActivity}" drawable="flickr" name="Flickr" />
   <item component="ComponentInfo{com.flightaware.android.liveFlightTracker/com.flightaware.android.liveFlightTracker.activities.MainActivity}" drawable="flightaware" name="FlightAware" />
   <item component="ComponentInfo{com.flightradar24free/com.flightradar24free.feature.splash.view.SplashActivity}" drawable="flightradar24" name="Flightradar24" />