Added funding and readme files

Author: ssddanbrown

.github/FUNDING.yml

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+# These are supported funding model platforms
+
+github: [ssddanbrown]
+ko_fi: ssddanbrown

readme.md

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+# BookStack Hacks
+
+This repository contains the hacks that are shown on the [/hacks part of the website](https://www.bookstackapp.com/hacks/). This is not a website in itself,
+but it designed to be a submodule within the `hacks/` directory of the [BookStack website repo](https://github.com/BookStackApp/website).
+
+### Support & Issues
+
+Hacks in this repo are unsupported, maybe become out-of-date and do not receive active maintenance unlike the core BookStack codebase. 
+
+Feel free to raise an issue for bugs or incorrect content but **please do not open issues for**:
+
+- Requesting new hacks, or variations of existing hacks.
+- Guidance/support for implementing, using or maintaining hacks.
+- Issues when using hacks on BookStack versions they're not lasted tested for.
+- Providing details to update a hack (Open a PR instead).
+- Limitations in existing hacks.
+
+### Contributions & Scope
+
+Contributions are welcome to this repository but the scope for additions will be relatively strict to keep maintenance dept minimal. Please don't assume any customizations/hacks will be accepted here. The scope will be as follows:
+
+- There should be minimal overlap with an existing hack.
+- The hack should have a relatively minimal surface area.
+- The hack should have a reasonably low chance of conflicting with future updates.
+- The hack should have a low likelihood of inadvertently causing additional problems.
+- Hacks should not have external platform-specific requirements.
+
+Pull requests to update hacks for more recent compatibility are welcome, as long as they don't apply additional non-required changes.
+
+Contributions will become under the MIT license of the project. Note that I may in the future monetize the supply, updating and tweaking of hacks in this repo.