adding the microbit image

Author: madhephaestus

controllerOptions.json

@@ -0,0 +1,12 @@
+{
+"ESP 32 Dev Kit C v4":{
+"cad":["git","file"],
+"linkLoader":["git":"file"]
+"":
+}
+"Microbit with ElecFreak":{
+"cad":["git","file"],
+"linkLoader":["git":"file"]
+}
+
+}