[Keyboard] Add dumbpad (#6425)

* removed some debug prints

* removed unnecessary files, tweaked some things

* rotary encoder button now connected into column 0, row 3

* tweaked keymap and moved encoder control into keymap

* tweaks

* added test keymap

* updated some things to make it easier to work with QMK configurator

* updates after merging latest master in

* fixed a few things

* removed test keymap and all related #ifdefs

* changed some dumbpad default keys, added KC_LOCK

* added image to readme

* added link to PCB github repo

* moved lock key to the rotary encoder pushbutton

* making suggested changes from @fauxpark in https://github.com/qmk/qmk_firmware/pull/6452

* adding bootmagic lite since i'm lazy and haven't soldered on the reset button...

* renamed  to

* using 7 underscores for KC_TRNS

keyboards/dumbpad/info.json

@@ -0,0 +1,30 @@
+{
+    "keyboard_name": "dumbpad", 
+    "url": "", 
+    "maintainer": "qmk", 
+    "width": 5, 
+    "height": 4, 
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"label":"7", "x":1, "y":0}, 
+                {"label":"8", "x":2, "y":0}, 
+                {"label":"9", "x":3, "y":0}, 
+                {"label":"BSPC", "x":4, "y":0}, 
+                {"label":"4", "x":1, "y":1}, 
+                {"label":"5", "x":2, "y":1}, 
+                {"label":"6", "x":3, "y":1}, 
+                {"label":"ESC", "x":4, "y":1}, 
+                {"label":"1", "x":1, "y":2}, 
+                {"label":"2", "x":2, "y":2}, 
+                {"label":"3", "x":3, "y":2}, 
+                {"label":"TAB", "x":4, "y":2}, 
+                {"label":"LMOUSE", "x":0, "y":3},
+                {"label":"TT(2)", "x":1, "y":3}, 
+                {"label":"0", "x":2, "y":3}, 
+                {"label":".", "x":3, "y":3}, 
+                {"label":"ENT", "x":4, "y":3}
+            ]
+        }
+    }
+}