[Keyboard] Added Abstract Ellipse Rev1 (#5939)

* mostly done with first version of Ellipse Rev1 software

* mostly done, error with backlight breathing

* more testing and changing default keymaps

* ready for first release attempt

* fix newline in readme

* fix copyright and extraneous declarations and symbols

* remove more excess backslashes

* fixed more formatting

keyboards/abstract/ellipse/info.json

@@ -0,0 +1,12 @@
+{
+    "keyboard_name": "Ellipse", 
+    "url": "https://abstractkb.tk/product/ellipse-rev1", 
+    "maintainer": "AbstractKB", 
+    "width": 3, 
+    "height": 2.25, 
+    "layouts": {
+        "LAYOUT": {
+            "layout": [{"x":0, "y":0}, {"x":1, "y":0}, {"x":2, "y":0}, {"x":0, "y":1.25}, {"x":1, "y":1.25}, {"x":2, "y":1.25}]
+        }
+    }
+}