Add support for Apple Silicon

-Update classes to read correct Apple Silicon CPU sensor
-Update project to compile a Universal 2 binary. Upgraded Sparkle to 2.1.0 as that was the latest and supports ARM64.
-Add MacBookPro18,1 to Machines.plist

Sparkle.framework/Versions/B/Resources/nl.lproj/SUUpdateAlert.strings

@@ -0,0 +1,17 @@
+/* Class = "NSWindow"; title = "Software Update"; ObjectID = "5"; */
+"5.title" = "Software-update";
+
+/* Class = "NSTextFieldCell"; title = "Release Notes:"; ObjectID = "170"; */
+"170.title" = "Versiegegevens:";
+
+/* Class = "NSButtonCell"; title = "Remind Me Later"; ObjectID = "171"; */
+"171.title" = "Herinner mij later";
+
+/* Class = "NSButtonCell"; title = "Skip This Version"; ObjectID = "172"; */
+"172.title" = "Sla deze versie over";
+
+/* Class = "NSButtonCell"; title = "Install Update"; ObjectID = "173"; */
+"173.title" = "Installeer update";
+
+/* Class = "NSButtonCell"; title = "Automatically download and install updates in the future"; ObjectID = "175"; */
+"175.title" = "Download en installeer updates voortaan automatisch";

Sparkle.framework/Versions/B/Resources/nl.lproj/SUUpdatePermissionPrompt.strings

@@ -0,0 +1,14 @@
+/* Class = "NSTextFieldCell"; title = "Anonymous system profile information is used to help us plan future development work. Please contact us if you have any questions about this.\n\nThis is the information that would be sent:"; ObjectID = "183"; */
+"183.title" = "Aan de hand van anonieme informatie over het systeemprofiel kunnen wij toekomstige ontwikkelingswerkzaamheden beter plannen. Neem contact met ons op als je hierover vragen hebt.\n\nDit is de informatie die wordt verzonden:";
+
+/* Class = "NSButtonCell"; title = "Don’t Check"; ObjectID = "cCJ-V0-aTi"; */
+"cCJ-V0-aTi.title" = "Zoek niet";
+
+/* Class = "NSTextFieldCell"; title = "Check for updates automatically?"; ObjectID = "gmh-T4-BO0"; */
+"gmh-T4-BO0.title" = "Automatisch zoeken naar updates?";
+
+/* Class = "NSButtonCell"; title = "Include anonymous system profile"; ObjectID = "gz7-LM-gNf"; */
+"gz7-LM-gNf.title" = "Voeg anoniem systeemprofiel bij";
+
+/* Class = "NSButtonCell"; title = "Check Automatically"; ObjectID = "OhZ-1K-DmA"; */
+"OhZ-1K-DmA.title" = "Zoek automatisch";