[Keymap] Layout for FC660C with additions for mouse keys and few other changes (#6139)

* new keymap for the hasu with media keys and mac layout

* switch escape and grave

* switch to the usual default

* with play and stop

* add reset on fn layer

* add mouse buttons, move reset, update copyright

keyboards/fc660c/keymaps/siroleo/config.h

@@ -0,0 +1,19 @@
+/* Copyright 2019 Khader Syed
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+// place overrides here