feat: add NTP; fix networking bugs/regressions

kernel/src/Api/Time.hpp

@@ -38,4 +38,8 @@ namespace montauk::abi {
     static int64_t Sys_GetTZ() {
         return (int64_t)Timekeeping::GetTZOffset();
     }
-};
+
+    static int64_t Sys_SetUnixTime(int64_t unixSeconds) {
+        return Timekeeping::SetUnixTimestamp(unixSeconds) ? 0 : -1;
+    }
+};