Add numpad llayout to ai03/soyuz & personal keymap (#10030)

* ai03 Soyuz

## Description
@ai03-2725 Soyuz:
1. Update `soyuz.h` (Add `LAYOUT_5x4`)
2. Added `keymap.c`
3. Added `readme.md`

* Update readme.md

* Update readme.md

* Update keymap.c

* Update keymap.c

* Update keymap.c

* Update keymap.c

* Update soyuz.h

Co-authored-by: Joel Challis <git@zvecr.com>

* Update keyboards/ai03/soyuz/soyuz.h

Co-authored-by: Joel Challis <git@zvecr.com>

* Update keyboards/ai03/soyuz/keymaps/mrsendyyk/keymap.c

Co-authored-by: Joel Challis <git@zvecr.com>

* Update keyboards/ai03/soyuz/keymaps/mrsendyyk/keymap.c

Co-authored-by: Joel Challis <git@zvecr.com>

* Update rules.mk

* Update keymap.c

* Update keymap.c

* Update keymap.c

* Update readme.md

* Update rules.mk

* Update soyuz.h

* Update soyuz.h

* Update

* Rename readme.md to README.md

* Update keymap.c

* Rename README.md to readme.md

Co-authored-by: Joel Challis <git@zvecr.com>

keyboards/ai03/soyuz/soyuz.h

@@ -39,3 +39,31 @@
 	{ K30, K31, K32, K33 }, \
 	{ K40, K41, K42, K43 }  \
 }
+
+/*
+ * ┌───┬───┬───┬───┐
+ * │00 │01 │02 │03 │
+ * ├───┼───┼───┼───┤
+ * │10 │11 │12 │   │
+ * ├───┼───┼───┤23 │
+ * │20 │21 │22 │   │
+ * ├───┼───┼───┼───┤
+ * │30 │31 │32 │   │
+ * ├───┴───┼───┤43 │
+ * │41     │42 │   │
+ * └───────┴───┴───┘
+*/
+
+#define LAYOUT_numpad_5x4( \
+	k00, k01, k02, k03, \
+	k10, k11, k12,      \
+	k20, k21, k22, k23, \
+	k30, k31, k32,      \
+	     k41, k42, k43  \
+) { \
+	{ k00,   k01, k02, k03   }, \
+	{ k10,   k11, k12, KC_NO }, \
+	{ k20,   k21, k22, k23   }, \
+	{ k30,   k31, k32, KC_NO }, \
+	{ KC_NO, k41, k42, k43   }  \
+}