Updated the README.md file and also fixed issue with the nifti_wrapper.py by making the algorithm_args optional to prevent it from overiding algorithm

Author: Unique-Usman

Docker/README.md

@@ -52,8 +52,8 @@ Before running the Docker container, here are the available options for the `Doc
     ```sh
     sudo docker run -it --rm --name TF2.4_IVIM-MRI_CodeCollection \
         -v ~/TF2.4_IVIM-MRI_CodeCollection:/usr/src/app \
-        -v ~/TF2.4_IVIM-MRI_CodeCollection:/usr/app/output \
-        tf2.4_ivim-mri_codecollection brain.nii.gz brain.bvec brain.bval
+        -v ~/TF2.4_IVIM-MRI_CodeCollection:/usr/app/output \ 
+        tf2.4_ivim-mri_codecollection Downloads/brain.nii.gz Downloads/brain.bvec Downloads/brain.bval \
     ```
 
     Replace `brain.nii.gz`, `brain.bvec`, and `brain.bval` with the actual file names you want to use.

WrapImage/nifti_wrapper.py

@@ -84,7 +84,7 @@ def loop_over_first_n_minus_1_dimensions(arr):
     parser.add_argument("bval_file", type=str, help="Path to the b-value file.")
     parser.add_argument("--affine", type=float, nargs="+", help="Affine matrix for NIfTI image.")
     parser.add_argument("--algorithm", type=str, default="OJ_GU_seg", help="Select the algorithm to use.")
-    parser.add_argument("algorithm_args", nargs=argparse.REMAINDER, help="Additional arguments for the algorithm.")
+    parser.add_argument("--algorithm_args", nargs=argparse.REMAINDER, help="Additional arguments for the algorithm.")
 
     args = parser.parse_args()