[Keyboard] Move Keebio boards to own folder (#5109)

* Move boards into keebio folder

* Rename keymap

* Update BDN9 files

* Update BFO-9000 files

* Update Chocopad files

* Update Dilly files

* Update Fourier files, collapse rev1 into main

* Update Iris files

* Update Laplace files

* Update Levinson files, fix buswerks keymap

* Update Nyquist files

* Fix keymap issues

* Update Quefrency files

* Update Rorschach files

* Update TF68 files

* Update Viterbi files

* Update Viterbi files

* Update Wavelet files

* Reformat default layout

* Fix up default folder for Iris

* Remove already defined aliases

1 files changed, 15 insertions, 0 deletions

diff --git a/keyboards/keebio/bdn9/readme.md b/keyboards/keebio/bdn9/readme.md
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+++ b/keyboards/keebio/bdn9/readme.md
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+# BDN9
+
+![BDN9](https://cdn.shopify.com/s/files/1/1851/5125/products/image_bd8d9423-950e-4aad-bea5-665d896f879a_530x@2x.jpg?v=1547909493)
+
+A 3x3 macropad with support for a rotary encoder at the upper two corners.
+
+Keyboard Maintainer: [Bakingpy/nooges](https://github.com/nooges)  
+Hardware Supported: Pro Micro, Elite-C, Proton C   
+Hardware Availability: [Keebio - BDN9](https://keeb.io/products/bdn9-3x3-9-key-macropad-rotary-encoder-support) 
+
+Make example for this keyboard (after setting up your build environment):
+
+    make keebio/bdn9:default
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).