fix(rf): register isr_jump.asm and redirect Port3 vector 40

App/isr_jump.asm was never added to wristband.uvproj, so the Port0/Port2/Port3
hardware vector redirects it defines were never assembled. Port3_Isr (declared
as interrupt 16) never actually ran on real P3 port events, causing the
edge-interrupt-driven RF decode to silently never fire. Adds the missing
CSEG/LJMP redirect for vector 40 and registers the file as FileType=2.

wristband.uvproj

@@ -329,6 +329,11 @@
               <FileType>1</FileType>
               <FilePath>.\App\main.c</FilePath>
             </File>
+            <File>
+              <FileName>isr_jump.asm</FileName>
+              <FileType>2</FileType>
+              <FilePath>.\App\isr_jump.asm</FilePath>
+            </File>
             <File>
               <FileName>rgb.c</FileName>
               <FileType>1</FileType>