Added Applesoft examples

* Added the source of the Applesoft example programs for a slideshow
and a file viewer.
* Moved the source files to the Source directory
* Updated the disk image files

Sources/SLIDESHOW.bas

@@ -0,0 +1,10 @@
+10 D$ =  CHR$(4)
+15  FOR I = 1 TO 8: READ F$
+20  PRINT D$;"BLOAD ";F$;".BMP,A$4000"
+30  PRINT D$;"BRUN DISPLAY"
+35  FOR J = 1 TO 1000: NEXT J
+40  NEXT I
+45  POKE  -16372,0: TEXT 
+60  DATA  "IMAGE","SJOBS"
+70  DATA  "STEVES","A2C1984"
+80  DATA  "ADVTIME2","IRONMAN","SIMPSONS","SPONGEBOB"

Sources/VBMP.bas

@@ -0,0 +1,12 @@
+5  HOME 
+10 D$ =  CHR$(4)
+15  PRINT D$;"CAT"
+20  PRINT "FILENAME TO DISPLAY (WITHOUT EXTENSION)"
+25  INPUT F$: IF  LEN(F$) = 0 GOTO 25
+30  PRINT D$;"BLOAD ";F$;".BMP,A$4000"
+40  PRINT D$;"BRUN DISPLAY"
+50 K =  PEEK( -16384)
+60  IF K <127 GOTO 50
+70  POKE  -16368,0
+80  POKE  -16372,0: TEXT 
+90  IF K < >128 +27 GOTO 5