Code cleaning

Using gofumpt. Add documentation.
Some fixes on type checking and const icon type declaration.

parser/main.go

@@ -8,7 +8,6 @@ import (
 
 // Parse compose files and return a project. The project is parsed with dotenv, osenv and profiles.
 func Parse(profiles []string, dockerComposeFile ...string) (*types.Project, error) {
-
 	cli.DefaultOverrideFileNames = append(cli.DefaultOverrideFileNames, "compose.katenary.yaml")
 
 	if len(dockerComposeFile) == 0 {
@@ -23,8 +22,6 @@ func Parse(profiles []string, dockerComposeFile ...string) (*types.Project, erro
 		cli.WithNormalization(true),
 		cli.WithInterpolation(true),
 		cli.WithResolvedPaths(false),
-
-		//cli.WithResolvedPaths(true),
 	)
 	if err != nil {
 		return nil, err