Update README.md

Add Requirements section with URL to the supported Python versions.

Update links to main documentation.

(DIS-1986)

README.md

@@ -4,6 +4,12 @@ A Dissect module implementing parsers for the FAT and exFAT file systems, common
 devices and UEFI partitions. For more information, please see [the
 documentation](https://docs.dissect.tools/en/latest/projects/dissect.fat/index.html).
 
+## Requirements
+
+This project is part of the Dissect framework and requires Python.
+
+Information on the supported Python versions can be found in the Getting Started section of [the documentation](https://docs.dissect.tools/en/latest/index.html#getting-started).
+
 ## Installation
 
 `dissect.fat` is available on [PyPI](https://pypi.org/project/dissect.fat/).
@@ -33,12 +39,12 @@ tox
 ```
 
 For a more elaborate explanation on how to build and test the project, please see [the
-documentation](https://docs.dissect.tools/en/latest/contributing/developing.html#building-testing).
+documentation](https://docs.dissect.tools/en/latest/contributing/tooling.html).
 
 ## Contributing
 
 The Dissect project encourages any contribution to the codebase. To make your contribution fit into the project, please
-refer to [the style guide](https://docs.dissect.tools/en/latest/contributing/style-guide.html).
+refer to [the development guide](https://docs.dissect.tools/en/latest/contributing/developing.html).
 
 ## Copyright and license