Update Python and Pillow versions

Author: ShortArrow

README.md

@@ -1,20 +1,20 @@
 # What is pyxlimg
 
-Pyxlimg is for extracting images from xlsx. It has a high affinity with other libraries. This is because you can treat the image as an instance of Pillow.Image. I hope it will be incorporated into openpyxl and pylightxl in the future.
+Pyxlimg is for extracting images from xlsx. It has a high affinity with other libraries. This is because you can treat the image as an instance of Pillow.Image.
 
-# Concept
+## Concept
 
 Images are difficult to handle with xlwings, openpyxl, and pylightxl. Especially linter and type annotation are difficult. Complement these. And the goal is to make it easier to do OCR etc. using xlsx in Python.
 
-# Install
+## Install
 
 Recommended to install using pip.
 
 ```sh
 pip install pyxlimg
 ```
 
-# Usage
+## Usage
 
 ```py
 from PIL import Image
@@ -40,32 +40,41 @@ In this way, you can easily assign images to variable.
     DisplayImage.show() # Show you the Image too.
 ```
 
-# FAQ
+## FAQ
 
-## What image format does this support?
-If it is supported by [Pillow](https://pypi.org/project/Pillow/), it can be supported. If the original image is in a commonly used format such as png, jpg, bmp when pasted or inserted into xlsx.
+### What image format does this support?
 
-## What kind of library is this supposed to be used with?
-For example, `Tesseract OCR`, `pylightxl`, `openpyxl`, `matplotlib`. It is also ideal for matching with other `pillow` related libraries.
+If it is supported by [Pillow](https://pypi.org/project/Pillow/), it can be supported. If the original image is in a commonly used format such as png, jpg, bmp when pasted or inserted into xlsx.
 
-# How to Contribute
+### What kind of library is this supposed to be used with?
 
-Please do a git clone and pull request. The version control tool used in this repository is poetry.
+For example, `Tesseract OCR`, `pylightxl`, `openpyxl`, `matplotlib`. It is also ideal for matching with other `pillow` related libraries.
 
 ## Build
 
 How to build package.
 
-```
+```bash
 poetry install
 poetry shell
 poetry build
 ```
 
 How to build sphinx docs.
 
-```
+```bash
 poetry export --with dev -f requirements.txt > requirements.txt
 sphinx-apidoc -f -o ./docs ./pyxlimg
 sphinx-build -b html ./docs ./docs/_build
 ```
+
+In Windows
+
+```pwsh
+pyenv install 3.11.0
+pyenv local 3.11.0
+poetry install
+poetry shell
+pytest
+poetry build
+```