fix(lint): linting problems

README.md

@@ -41,13 +41,13 @@ Run the Docker container:
 
 ```bash
 docker run --rm \
-  -v $(pwd):/workspace \
-  -v $HOME/.config/gibidify:/config \
-  ghcr.io/ivuorinen/gibidify:<tag> \
-  -source /workspace/your_source_directory \
-  -destination /workspace/output.txt \
-  --prefix="Your prefix text" \
-  --suffix="Your suffix text"
+	-v $(pwd):/workspace \
+	-v $HOME/.config/gibidify:/config \
+	ghcr.io/ivuorinen/gibidify:<tag> \
+	-source /workspace/your_source_directory \
+	-destination /workspace/output.txt \
+	--prefix="Your prefix text" \
+	--suffix="Your suffix text"
 ```
 
 ## Configuration

fileproc/fake_walker.go

@@ -8,7 +8,7 @@ type FakeWalker struct {
 }
 
 // Walk returns predetermined file paths or an error, depending on FakeWalker's configuration.
-func (fw FakeWalker) Walk(root string) ([]string, error) {
+func (fw FakeWalker) Walk(_ string) ([]string, error) {
 	if fw.Err != nil {
 		return nil, fw.Err
 	}