K-Nunmpad17 (#7708)

* Initial commit for K-Nunmpad

* Changed layoutname

Corrected the files according to drashnas suggestions.
* Some names have been changed
* Some code thats not been used has been removed

* Fixed rules.mk

When adding the commnity layout, tapdancing broke. This was fixed with
rules.mk was changed in the k-numpad and karlssn keymap.

* Cleanup according fauxpark

Cleaned up the readme.md and the rules.mk according to feedback from
fauxpark.

keyboards/handwired/k_numpad17/readme.md

@@ -0,0 +1,25 @@
+# K-Numpad17 
+<img src="https://i.imgur.com/MasSa71.jpg" alt="k-numpad" width="400"/>
+
+### Arduino Pro Micro Pinout
+| rows        | 0   | 1   | 2   | 3   | 4   |
+| ----------- | --- | --- | --- | --- | --- |
+| arduino pin | 2   | 4   | 5   | 6   | 7   |
+| qmk pin     | D1  | D4  | C6  | D7  | E6  |
+
+| columns     | 0   | 1   | 2   | 3   |
+| ----------- | --- | --- | --- | --- |
+| arduino pin | 16  | 15  | A1  | A3  |
+| qmk pin     | B5  | B4  | B3  | C3  |
+
+
+Make example for this keyboard (after setting up your build environment):
+
+    make handwired/k_numpad17:default
+
+Bootmagic is enabled.  Press the key at (0,0) while plugging the keyboard in to jump to bootloader. This is numlock in the default keymap.
+
+* Keyboard Maintainer: [Karlssn](https://github.com/Karlssn)
+* Hardware Availability: [Casefile](https://www.thingiverse.com/thing:4062409)
+
+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).