Tada68 Fixes and Minor Refactoring (#7820)

* fix ANSI layout macro reference

* update ISO layout macro and enable 65_iso community layout support

- rename to LAYOUT_65_iso (with LAYOUT_iso alias for backwards compatibility)
- rename position k2c to k1d (electrical position)

* rules.mk templating

* tada68.h: use #pragma once include guard

* config.h: use #pragma once include guard

* make product id unique

* update info.json

* update readme

* cleanup default keymap

- keycode alignment
- layout macro reference
- four-space indent

* remove matrix_*_user functions from tada68.h

keyboards/tada68/tada68.h

@@ -1,5 +1,4 @@
-#ifndef TADA68_H
-#define TADA68_H
+#pragma once
 
 #include "quantum.h"
 
@@ -22,7 +21,7 @@
 // The first section contains all of the arguments
 // The second converts the arguments into a two-dimensional array
 
-#define LAYOUT_ansi( \
+#define LAYOUT_65_ansi( \
     k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b, k0c, k0d, k0e, \
     k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b, k1c, k1d, k1e, \
     k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b,      k2d, k2e, \
@@ -55,21 +54,23 @@
 // The first section contains all of the arguments
 // The second converts the arguments into a two-dimensional array
 
-#define LAYOUT_iso( \
+#define LAYOUT_65_iso( \
     k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b, k0c, k0d, k0e, \
     k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b, k1c,      k1e, \
-    k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b, k2c, k2d, k2e, \
+    k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b, k1d, k2d, k2e, \
     k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b, k3c, k3d, k3e, \
     k40, k41, k42,           k45,                k49, k4a, k4b, k4c, k4d, k4e  \
 ) \
 { \
     {k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b, k0c, k0d, k0e}, \
-    {k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b, k1c, k2c, k1e}, \
+    {k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b, k1c, k1d, k1e}, \
     {k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b, XXX, k2d, k2e}, \
     {k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b, k3c, k3d, k3e}, \
     {k40, k41, k42, XXX, XXX, k45, XXX, XXX, XXX, k49, k4a, k4b, k4c, k4d, k4e}  \
 }
 
+#define LAYOUT_iso LAYOUT_65_iso
+
 /* TADA68 ANSI layout with Split Enter key
    * ,----------------------------------------------------------------.
    * | 00 |01| 02| 03| 04| 05| 06| 07| 08| 09| 0a| 0b| 0c| 0d    | 0e |
@@ -100,8 +101,3 @@
     {k30, XXX, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b, k3c, k3d, k3e}, \
     {k40, k41, k42, XXX, XXX, k45, XXX, XXX, XXX, k49, k4a, k4b, k4c, k4d, k4e}  \
 }
-
-void matrix_init_user(void);
-void matrix_scan_user(void);
-
-#endif