[Keyboard] Add meishi2 Configurator support (#6442)

keyboards/meishi2/info.json

@@ -0,0 +1,18 @@
+{
+  "keyboard_name": "meishi2",
+  "url": "",
+  "maintainer": "biacco42",
+  "width": 4,
+  "height": 1,
+  "layouts": {
+    "LAYOUT": {
+      "key_count": 4,
+      "layout": [
+        { "x": 0, "y": 0 },
+        { "x": 1, "y": 0 },
+        { "x": 2, "y": 0 },
+        { "x": 3, "y": 0 }
+      ]
+    }
+  }
+}