[Keyboard] Add Fine!40 PCB Support (#17426)

Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/aidansmithdotdev/fine40/config.h

@@ -0,0 +1,12 @@
+// Copyright 2022 Aidan Smith (@Aidan-OS)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "config_common.h"
+
+#define ENCODER_RESOLUTION 2
+#define ENCODERS_PAD_A { D5 }
+#define ENCODERS_PAD_B { B7 }
+
+#define OLED_DISPLAY_128X64 //Comment this out to change the screen size