feat: add fonts for FZX and an example

Author: boriel

examples/printfzx.bas

@@ -0,0 +1,25 @@
+REM PRINTFZX Example
+
+#include <printfzx.bas>
+
+CLS
+
+printFzxSetFontAddr(@font1)
+printFzxAt(70, 90)
+printFzxStr("Big Bold Font")
+
+printFzxSetFontAddr(@font2)
+printFzxAt(90, 90)
+printFzxStr("Cobra Font")
+PAUSE 0
+END : REM important to finish here or CPU will crash on next line
+
+font1:
+ASM
+INCBIN "fzx_fonts/bigbold.fzx"
+END ASM
+
+font2:
+ASM
+INCBIN "fzx_fonts/cobra.fzx"
+END ASM