[Keyboard] Add Viktus Styrka (#10982)

* Initial Styrka Commit

Initial commit of basic working firmware.

- has basic 6.25u spacebar and fullsize backspace support in default keymap
- has basic 6.25u spacebar and split backspace support in split_bs keymap
- beginning work for via keymap (not complete)

* Viktus Styrka Update 1

First edit update for Viktus Styrka

- Corrected LAYOUT macros
- Updated keymaps
- Updated info.json to match LAYOUT macros
- Added and updated VIA keymap
- Added and updated ALL keymap
- Removed unused features from config
- Added more detailed board info to main readme

* Update info.json

Update info.json - missing end }

* Update to files in initial commit

As requested, changes made to:

- styrka.c
- rules.mk
- split_bs/keymap.c
- all/keymap.c
- info.json
- config.h

* Update keyboards/viktus/styrka/rules.mk

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

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

keyboards/viktus/styrka/rules.mk

@@ -0,0 +1,19 @@
+# MCU name
+MCU = STM32F072
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = lite     # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = no        # 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 = yes           # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+BLUETOOTH_ENABLE = no       # Enable Bluetooth
+AUDIO_ENABLE = no           # Audio output