Update README.md

# Description

Class imagej_tiff to read multilayer tiff files and parse tags

* layers are stacked as along depth (think RGB)

# Example

* layers are stacked along depth (think RGB)

* parse imagej generated tags (50838 and 50839)

# Examples

```sh

from PIL import Image

import xml.etree.ElementTree as ET

import numpy as np

import matplotlib.pyplot as plt

import imagej_tiff as ijt

tiff = ijt.imagej_tiff('test.tiff')

print(ijt.infos)

tiff.show_images(['X-corr','Y-corr',0,2])

plt.show()

```