+2 icons and -1 typo (#2239)

* typo fix in "contributing.md"

* added Marcus logo and appfilter

* added NJ Transit logo and appfilter

* added ParkMobile logo and appfilter

* added Snackpass logo and appfilter

* added YI Home logo and appfilter

* updated icon sizes

i downloaded and tested the debug apk, the icon sizes were too small, fixed that

* adjusted stroke and sizes

* updated icons and sizes

redid marcus and nj_transit icon, modified snackpass, parkmobile, yi_home. Adjusted sizes of all

* removed nj transit for now, will rework and re-add at a later time

* updated sizes and strokes of icons

* fixed snackpass and yi home

fixed size of snackpass, fixed accidental fill on yi home

* removed icons to troubleshoot

CONTRIBUTING.md

@@ -125,7 +125,7 @@ Correct
 ## Adding an icon to Lawnicons
 Here's how to add an icon to Lawnicons:
 
-### Prerequesties
+### Prerequisites
 * Your icon in the SVG format, adhering to the [above guidelines](#contributing-icons). The filename must use snake case (e.g. `files_by_google.svg`).
 * The package and activity name of the app.
 

app/assets/appfilter.xml

@@ -5449,6 +5449,7 @@
   <item component="ComponentInfo{com.mapswithme.maps.pro/com.mapswithme.maps.pro.DefaultIcon}" drawable="maps_me" name="MAPS.ME" />
   <item component="ComponentInfo{org.missingmaps.mapswipe/com.zoontek.rnbootsplash.RNBootSplashActivity}" drawable="mapswipe" name="MapSwipe" />
   <item component="ComponentInfo{cz.seznam.mapy/cz.seznam.mapy.MapActivity}" drawable="mapy" name="Mapy" />
+  <item component="ComponentInfo{com.marcus.android/com.marcus.us.app.ui.MainActivity}" drawable="marcus" name="Marcus" />
   <item component="ComponentInfo{online.hisubway.marindeck/io.kodular.shenyusoftware.MarinDeck.Screen1}" drawable="marindeck" name="MarinDeck" />
   <item component="ComponentInfo{com.marinetraffic.android/com.marinetraffic.android.AppEntry}" drawable="marinetraffic" name="MarineTraffic" />
   <item component="ComponentInfo{com.marinetraffic.android/com.marinetraffic.android.AIRAppEntry}" drawable="marinetraffic" name="MarineTraffic" />
@@ -7182,6 +7183,7 @@
   <item component="ComponentInfo{com.brightstripe.parcels/com.brightstripe.parcels.MainActivity}" drawable="parcels" name="Parcels" />
   <item component="ComponentInfo{fr.tramb.park4night/fr.tramb.park4night.MainActivity}" drawable="park4night" name="park4night" />
   <item component="ComponentInfo{ar.edu.unlp.semmobile.bahiablanca/ar.edu.unlp.semmobile.activity.MainActivity}" drawable="parking_bahia" name="Parking Bahia" />
+  <item component="ComponentInfo{net.sharewire.parkmobilev2/com.parkmobile.android.client.activity.ZoneActivity}" drawable="parkmobile" name="ParkMobile" />
   <item component="ComponentInfo{com.parkwhiz.driverApp/com.parkwhiz.driverApp.main.MainActivity}" drawable="parkwhiz" name="ParkWhiz" />
   <item component="ComponentInfo{com.enjoyingfoss.parlera/io.flutter.embedding.android.FlutterActivity}" drawable="parlera" name="Parlera" />
   <item component="ComponentInfo{com.parqet/com.parqet.MainActivity}" drawable="parqet" name="Parqet" />