[Keyboard] Add Durgod Hades, Galaxy and Venus Keyboards (#12893)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Don Kjer <don.kjer@gmail.com>

keyboards/durgod/dgk6x/venus/readme.md

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+# Venus
+
+This is a standard off-the-shelf Durgod Venus 60% ANSI Layout keyboard with RGB matrix.
+
+* Keyboard Maintainer: [J-Sully](https://github.com/J-Sully) and [dkjer](https://github.com/dkjer)
+* Hardware Supported: Durgod Venus board with STM32F070RBT6
+* Hardware Availability: https://www.amazon.com/dp/B07XFP5MMZ
+
+## Instructions
+
+### Build
+
+Make command example for this keyboard (after setting up your build environment):
+
+    make durgod/venus:default
+
+Flashing example for this keyboard:
+
+    make durgod/venus:default:flash
+
+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).
+
+### Initial Flash
+
+Instructions for Flashing from initial Stock Firmware:
+* [Initial Flashing](../readme.md#initial-flash)