Added VIA support for Mercury by WWA (#2166)

* WWA Keyboards

* Added WWA Keyboards support

* Delete duplicate files

* added Mercury Macropad support

* added Mercury support to VIA

* Revert "added Mercury support to VIA"

This reverts commit 6919215.

* added VIA support for Mercury, Soyuz and SoyuzXL

* added VIA support for Mercury, Soyuz and SoyuzXL

* Added Mercury Macropad Support

* Added Soyuz to VIA

* Revert "Added Soyuz to VIA"

This reverts commit dbaeb8a.

v3/handwired/wwa/mercury.json

@@ -0,0 +1,15 @@
+{
+    "name": "Mercury",
+    "vendorId": "0x5757",
+    "productId": "0x0003",
+    "matrix": {
+        "rows": 2,
+        "cols": 4 
+    },
+    "layouts": {
+        "keymap": [
+            ["0,0","0,1","0,2","0,3"],
+            ["1,0","1,1","1,2","1,3"]       
+        ]
+    }
+}