Added README

Author: Rephidock

README.md

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+# RunWithColor
+
+[![GitHub Licence Badge](https://img.shields.io/github/license/Rephidock/Rephidock.CLI.RunWithColor)](https://github.com/Rephidock/Rephidock.CLI.RunWithColor/blob/main/LICENSE)
+
+A CLI utility to enable ANSI escape sequences in windows command prompt (cmd, conhost).
+
+## About
+
+By default the command prompt treats ANSI escape sequences as text, hence why they visibly appear. 
+
+For the escape sequences to be treated as actions the program running can enable `ENABLE_VIRTUAL_TERMINAL_PROCESSING` flag during execution, however some programs do not.
+
+This tool is a workaround that enables that flag for them.
+
+## Example
+
+In this example the project was built as a single executable,  renamed to `runwithcolor.exe` and added to PATH.
+
+The following [python code](src/hello_world_in_green.py) is run in the terminal:
+```py
+print("\x1b[32mHello World! (but in green)\x1b[0m")
+```
+
+Normal execution:
+![image: example_execution_before](media/example_execution_before.png)
+
+Execution using the tool:
+![image: example_execution_after](media/example_execution_after.png)