Organize KPrepublic, K.T.E.C, xiudi boards into directories (#12159)

* reset; redoing my steps; and recommit

* include xd002/.noci

keyboards/xiudi/xd84pro/readme.md

@@ -0,0 +1,24 @@
+# XD84 Pro
+
+![XD84 Pro](https://cdn.shopify.com/s/files/1/2711/4238/products/Hf5d4a9571a524cb78870def7403f5acc5.jpg?v=1574416288)
+
+Keyboard with 84 Keys, RGB LED Underglow, and USB-C Connection
+- Designed by Xiudi
+- Up to 87 keys
+  - iso and ansi support
+
+The silkscreen printing on the PCB refers to this as the "XD84 v2.0".
+
+* Keyboard Maintainer: QMK Community
+* Hardware Supported: XD84 Pro
+* Hardware Availability: [KPrepublic](https://kprepublic.com/products/xd84pro-xd84-pro-custom-mechanical-keyboard-kit-75-supports-tkg-tools-support-underglow-rgb-pcb-programmed-gh84-kle-type-c)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make xd84pro:default
+
+Flashing example for this keyboard:
+
+    make xd84pro: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).