change formatting

input examples are now given as

```bash
input $ARG1
```

While outputs use md's '> ' sign as a quote.

sound/basics.md

@@ -9,11 +9,15 @@ Check with `which pulseaudio`. No output means you need to use alsa (below).
 
 # Volume Control
 
-> pactl set sink @DEFAULT_SINK@ +5%
+```bash
+pactl set sink @DEFAULT_SINK@ +5%
+```
 
 Find working outputs:
 
-> aplay -l
+```bash
+aplay -l
+```
 
 #Sound Settings
 
@@ -26,7 +30,9 @@ amixer scontrols
 
 # Change a Sound setting
 
-> amixer set Master 5%-
+```bash
+amixer set Master 5%-
+```
 
 # Restart everything
 
@@ -36,22 +42,34 @@ pulseaudio -k && sudo alsa force-reload
 
 Toggle, mute, increase or decrase audio:
 
-> amixer sset Master toggle
+```bash
+amixer sset Master toggle
+```
 
-> amixer sset Master mute
+```bash
+amixer sset Master mute
+```
 
-> amixer sset Master 5%+
+```bash
+amixer sset Master 5%+
+```
 
-> amixer sset Master 5%-
+```bash
+amixer sset Master 5%-
+```
 
 # Finicky Sound Cards
 
 Start with:
 
-> alsamixer
+```bash
+alsamixer
+```
 
 Then press `F6` to see available Sound cards.
 If you find a Sound card called 'PinePhone', then you can select an audio source there, and adjust with:
 
-> amixer -c PinePhone set 'Headphone' 50%
+```bash
+amixer -c PinePhone set 'Headphone' 50%
+```