feat: configuration parameters for minio host, port, timeout;

refactor: renamed buckets;
fix: corrected Host header changing behavior in minio gin endpoint;
feat: function to convert local minio url to /s3/ path url with the backend host

backend/internal/minioClient/buckets.go

@@ -31,9 +31,9 @@ var Buckets map[string]string
 func setupBuckets(client *minio.Client) {
 
 	Buckets = map[string]string{
-		"avatars": "avatars",
-		"images": "images",
-		"uploads": "uploads",
+		"avatars": "ew-avatars",
+		"images": "ew-images",
+		"uploads": "ew-uploads",
 	}
 
 	hiddenBuckets := []string{