Add pixbuf to doc index
I am sure I have seen this in the PR at some time
@@ -105,6 +105,7 @@ pages:
- 'pcm' : 'modules/pcm.md'
- 'perf': 'modules/perf.md'
- 'pipe': 'modules/pipe.md'
+ - 'pixbuf': 'modules/pixbuf.md'
- 'pwm' : 'modules/pwm.md'
- 'pwm2' : 'modules/pwm2.md'
- 'rfswitch' : 'modules/rfswitch.md'
