Allow for autodetecting both .yaml and .yml config files

README.md

@@ -275,3 +275,5 @@ dive will search for configs in the following locations:
 - `$XDG_CONFIG_DIRS/dive/*.yaml`
 - `~/.config/dive/*.yaml`
 - `~/.dive.yaml`
+
+`.yml` can be used instead of `.yaml` if desired.

cmd/root.go

@@ -205,7 +205,7 @@ func findInPath(pathTo string) string {
 
 	for _, file := range files {
 		filename := file.Name()
-		if path.Ext(filename) == ".yaml" {
+		if path.Ext(filename) == ".yaml" || path.Ext(filename) == ".yml" {
 			return path.Join(directory, filename)
 		}
 	}