Fixed Murciélago info.json to work with qmk configurator -> wrong assignments (#9095)

* fixed json to work with qmk configurator
updates to readme

* Change spacing of keys

* changed overall size of keymap

keyboards/murcielago/readme.md

@@ -1,6 +1,6 @@
 # Murciélago (the bat)
 
-The Murciélago is a split ortholinear keyboard with 60 keys in a 6x4 layout + 6 thumb keys (per side). At the upper thumb positions, rotary encoders can be used instead of switches. A single-color backlight may be used as a layer indicator.
+The Murciélago is a split ortholinear keyboard with 60 keys in a 6x4 layout + 6 thumb keys (per side). At the upper thumb positions, rotary encoders can be used instead of switches.
 
 * Keyboard Maintainer: [elagil](https://github.com/elagil)
 * Hardware Supported: [murcielago](https://github.com/elagil/murcielago)
@@ -9,4 +9,8 @@ Make example for this keyboard (after setting up your build environment):
 
     make murcielago/rev1:default
     
+For compiling a via-compatible keymap, use:
+
+    make murcielago/rev1:via
+    
 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).