[Keymap] merge jdelkins userspace and associated keymaps (#11276)

* [Keymap] merge jdelkins userspace and associated keymaps

* Add copyright & license info

* Change rgblight_config.enable to rgblight_is_enabled()

* Update keyboards/dz60/keymaps/jdelkins/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/dz60/keymaps/jdelkins/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/dz60/keymaps/jdelkins/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Remove superfluous includes

* Change EXTRAFLAGS+=-flto to LTO_ENABLE=yes

* Remove unnecessary jdelkins_ss symlink in users

* Add copyright and license notices

* Use preferred way to determine capslock / numlock state

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Add #pragma once to a header

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Include QMK_KEYBOARD_H only once, in userspace header

* Remove unnecessary initialization in matrix_init_keymap

* Do process_record_keymap before cases handled in process_record_user

* Reorganize & simplify secrets feature enablement

* Use tap_code16

Co-authored-by: Ryan <fauxpark@gmail.com>

* Remove superfluous break

Co-authored-by: Ryan <fauxpark@gmail.com>

* Remove copyright from rules.mk

Co-authored-by: Ryan <fauxpark@gmail.com>

* Remove copyright from rules.mk

Co-authored-by: Ryan <fauxpark@gmail.com>

* Use tap_code16

Co-authored-by: Ryan <fauxpark@gmail.com>

* include "print.h" instead of <print.h>

Co-authored-by: Ryan <fauxpark@gmail.com>

* Use tap_cod16

Co-authored-by: Ryan <fauxpark@gmail.com>

* Use tap_code16

Co-authored-by: Ryan <fauxpark@gmail.com>

* Use tap_code16

Co-authored-by: Ryan <fauxpark@gmail.com>

* Use tap_code16

Co-authored-by: Ryan <fauxpark@gmail.com>

* Remove copyright from rules.mk

Co-authored-by: Ryan <fauxpark@gmail.com>

* add #pragma once to a header

Co-authored-by: Ryan <fauxpark@gmail.com>

* include "print.h" instead of <print.h>

Co-authored-by: Ryan <fauxpark@gmail.com>

* Remove copyright from rules.mk

Co-authored-by: Ryan <fauxpark@gmail.com>

* Remove copyright from rules.mk

Co-authored-by: Ryan <fauxpark@gmail.com>

* Remove copyright from rules.mk

Co-authored-by: Ryan <fauxpark@gmail.com>

* Use tap_code16

Co-authored-by: Ryan <fauxpark@gmail.com>

* Use tap_code16

Co-authored-by: Ryan <fauxpark@gmail.com>

* Use :flash target where possible

* Remove special case flash target and use PROGRAM_CMD

* dz60/jdelkins_ss: use tap_code16

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

users/jdelkins/rules.mk

@@ -0,0 +1,10 @@
+SRC += jdelkins.c
+
+ifeq ($(strip $(NO_SECRETS)), yes)
+    OPT_DEFS += -DNO_SECRETS
+endif
+
+users/jdelkins/secrets.h: users/jdelkins/secrets.h.gpg
+	gpg -d $< >$@
+
+BOOTMAGIC_ENABLE = no