Tutorial/Demo for Modular Patch Inferer (#1316)

### Description
This PR adds a notebook to demonstrate how the new [modular patch
inference](Project-MONAI/MONAI#5837) can used:
- `PatchInferer`
- `AvgMerger`
- `SlidingWindowSplitter`
- `WSISlidingWindowSplitter`

### Checks
<!--- Put an `x` in all the boxes that apply, and remove the not
applicable items -->
- [x] Avoid including large-size files in the PR.
- [x] Clean up long text outputs from code cells in the notebook.
- [x] For security purposes, please check the contents and remove any
sensitive info such as user names and private key.
- [x] Ensure (1) hyperlinks and markdown anchors are working (2) use
relative paths for tutorial repo files (3) put figure and graphs in the
`./figure` folder
- [x] Notebook runs automatically `./runner.sh -t <path to .ipynb file>`

---------

Signed-off-by: Behrooz <[email protected]>

Author: bhashemian

figures/patch_inferer.jpg

@@ -69,6 +69,7 @@ doesnt_contain_max_epochs=("${doesnt_contain_max_epochs[@]}" lazy_resampling_fun
 doesnt_contain_max_epochs=("${doesnt_contain_max_epochs[@]}" lazy_resampling_compose.ipynb)
 doesnt_contain_max_epochs=("${doesnt_contain_max_epochs[@]}" TensorRT_inference_acceleration.ipynb)
 doesnt_contain_max_epochs=("${doesnt_contain_max_epochs[@]}" lazy_resampling_benchmark.ipynb)
+doesnt_contain_max_epochs=("${doesnt_contain_max_epochs[@]}" modular_patch_inferer.ipynb)
 
 # Execution of the notebook in these folders / with the filename cannot be automated
 skip_run_papermill=()