Keyboard: Vinta (#4283)

* added initial config files for vinta

* added readme

* changed product id and device ver

* fixed keymap illustration

* updated rules.mk to enable more commands

* removed a bunch of pre-code text; changed some grammar woopsies

* removed bootmagic lite

* updated developer's note

* updated readme.md

keyboards/vinta/vinta.c

@@ -0,0 +1,18 @@
+#include "vinta.h"
+
+void matrix_init_kb(void) {
+    // put your keyboard start-up code here
+    // runs once when the firmware starts up
+
+    matrix_init_user();
+}
+
+void matrix_scan_kb(void) {
+
+    matrix_scan_user();
+}
+
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+
+    return process_record_user(keycode, record);
+}