updated gitignore and added note to fuses

src/.gitignore

@@ -1,3 +1,9 @@
 *.bin
 *.hex
 *.o
+*.lst
+*.elf
+*.map
+*.eep
+*.d
+.dep/

src/README.md

@@ -0,0 +1,10 @@
+This is a simple demo application
+
+#### Fuses for the ATmega8
+
+We use the internal 8 MHz oszilator:
+
+Low = 0xd4
+High = 0xd9
+
+use 'make fuses' to program using avrdude