feat: add basic workings

internal/server/watchdog/scanner.go

@@ -35,6 +35,10 @@ func scanFS(env bootstrap.Environment) (map[string]struct{}, error) {
 
 	resp := make(map[string]struct{})
 	for _, f := range fsFiles {
+		if f.IsDir() {
+			continue
+		}
+
 		full := filepath.Join(env.ContentDirectory, f.Name())
 		resp[full] = struct{}{}
 	}