Refactor: move macro3 into handwired folder (#22759)

keyboards/handwired/macro3/info.json

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+{
+    "keyboard_name": "Macro3",
+    "manufacturer": "DPB",
+    "url": "https://github.com/davidphilipbarr/Macropads/tree/main/macro3",
+    "maintainer": "@davidphilipbarr",
+    "usb": {
+        "vid": "0xC88B",
+        "pid": "0x3388",
+        "device_version": "0.0.3"
+    },
+    "encoder": {
+        "rotary": [
+            {"pin_a": "D2", "pin_b": "D3"},
+            {"pin_a": "F7", "pin_b": "F6"}
+        ]
+    },
+    "development_board": "promicro",
+    "features": {
+        "bootmagic": true,
+        "extrakey": true,
+        "mousekey": true,
+        "encoder": true
+    },
+    "bootmagic": {
+        "matrix": [0, 3]
+    },
+    "matrix_pins": {
+        "direct": [
+            ["D7", "C6", "D4", "D1"],
+            ["B1", "B4", "B5", "B3"]
+        ]
+    },
+    "layout_aliases": {
+        "LAYOUT": "LAYOUT_ortho_2x4"
+    },
+    "layouts": {
+        "LAYOUT_ortho_2x4": {
+            "layout": [
+                {"x": 0, "y": 0, "matrix": [0, 0]},
+                {"x": 1, "y": 0, "matrix": [0, 1]},
+                {"x": 2, "y": 0, "matrix": [0, 2]},
+                {"x": 3, "y": 0, "matrix": [0, 3]},
+
+                {"x": 0, "y": 1, "matrix": [1, 0]},
+                {"x": 1, "y": 1, "matrix": [1, 1]},
+                {"x": 2, "y": 1, "matrix": [1, 2]},
+                {"x": 3, "y": 1, "matrix": [1, 3]}
+            ]
+        }
+    }
+}

keyboards/handwired/macro3/keymaps/default/keymap.c

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+/* Copyright 2020 David Philip Barr <@davidphilipbarr>
+ * Copyright 2021 @filterpaper
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT_ortho_2x4(
+        KC_MUTE, KC_MPLY, KC_MRWD, LT(1,KC_MFFD),
+        C(KC_Z), C(KC_X), C(KC_C), C(KC_V)
+    ),
+    [1] = LAYOUT_ortho_2x4(
+        _______, _______, _______, _______,
+        QK_BOOT, _______, _______, _______
+    )
+};
+
+#ifdef ENCODER_MAP_ENABLE
+const uint16_t PROGMEM encoder_map[][NUM_ENCODERS][NUM_DIRECTIONS] = {
+	[0] = { ENCODER_CCW_CW(KC_VOLU, KC_VOLD), ENCODER_CCW_CW(KC_MNXT, KC_MPRV) },
+	[1] = { ENCODER_CCW_CW(KC_VOLU, KC_VOLD), ENCODER_CCW_CW(KC_PGDN, KC_PGUP) },
+};
+#endif
+

keyboards/handwired/macro3/keymaps/default/rules.mk

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+ENCODER_MAP_ENABLE = yes

keyboards/handwired/macro3/macro3.c

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+/* Copyright 2020 David Philip Barr <@davidphilipbarr>
+ * Copyright 2021 @filterpaper
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include "quantum.h"
+
+#ifdef ENCODER_ENABLE
+bool encoder_update_kb(uint8_t index, bool clockwise) {
+    if (!encoder_update_user(index, clockwise)) { return false; }
+    if (index == 0) {
+        if (clockwise) {
+            tap_code_delay(KC_VOLU, 10);
+        } else {
+            tap_code_delay(KC_VOLD, 10);
+        }
+    } else if (index == 1) {
+        if (clockwise) {
+            tap_code(KC_MNXT);
+        } else {
+            tap_code(KC_MPRV);
+        }
+    }
+    return true;
+}
+#endif
+

keyboards/handwired/macro3/readme.md

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+# Macro3
+
+![Macro3](https://github.com/filterpaper/filterpaper.github.io/raw/main/images/macro3.png)
+
+Macro3 is a low-profile macro pad with dual encoder support designed by [@davidphilipbarr](https://github.com/davidphilipbarr).
+
+## Keyboard Info
+
+* Keyboard Maintainer: [filterpaper](https://github.com/filterpaper)
+* Hardware Supported: Macro3
+* Hardware Availability: [Open-source](https://github.com/davidphilipbarr/Macropads/tree/main/macro3)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make handwired/macro3:default
+
+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).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Bootmagic reset**: Hold down the top right key and plug in the controller.
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is configured.
+* **Physical reset pins**: Briefly short the RST and GND pins on the microcontroller using tweezers, a paperclip, or any other conductive material.
+

keyboards/handwired/macro3/rules.mk

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+# This file intentionally left blank