I know i'm supposed to add:
<key>NSAppTransportSecurity</key>
<dict>
<!--Include to allow all connections (DANGER)-->
<key>NSAllowsArbitraryLoads</key>
<true/>
</dict>
to my PLIST, but where exactly am I supposed to paste that into?
You need to create key at top level like shown below
when you will select a row in info.plist file you will see + sign appears you can click on that and it will add a new entry next to it.
If you want to add child then expand it from left side (so that you can see the arrow downwards and then click +