[Keyboard] Add 5 boards by the OverNumpad Controller (#14382)

* Add initial implementation of 5 keyboards supported by the OverNumpad Controller.

* Apply suggestions from code review

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

* Apply changes similar to other code review suggestions.

* Apply suggestions from code review

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

* Apply changes similar to other code review suggestions.

* overnumpad controller info.jsons: update maintainer and url.

* classic_ultracl_pre_2013: added support for the default 'fullsize_ansi' layout

* classic_ultracl_pre_2013: moved the order of the iso enter key in the layout macro to be considered to be on the bottom row, like in the default fullsize_iso layout. Rename the iso layout to fullsize_iso, and enable it in rules.mk

* Removed QMKBEST and QMKURL

* Apply suggestions from code review

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

* Deleting empty files

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

keyboards/unicomp/classic_ultracl_post_2013/overnumpad_1xb/rules.mk

@@ -0,0 +1,25 @@
+# MCU name
+MCU = STM32F446 # STM32F446RET6
+
+# Bootloader selection
+BOOTLOADER = stm32-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes      # Enter bootloader mode when holding the ESC key.
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = no            # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+ENCODER_ENABLE = no         # Enable rotary encoder support
+AUDIO_ENABLE = no           # Audio output
+KEYBOARD_SHARED_EP = yes    # Free up some extra endpoints - needed if console+mouse+extra
+
+HAPTIC_ENABLE += SOLENOID