docstrings added to functions, types and methods

CHANGELOG first update

pre-commit updated to look in root of repo.

version retraction added to go.mod

README updated to reflect changes

button.go

@@ -2,7 +2,7 @@ package voicemeeter
 
 import "fmt"
 
-// custom strip type, struct forwarding channel
+// button represents a single macrobuttton
 type button struct {
 	index int
 }