Update 54 (Closes #55, Closes #58, Closes #63)

Co-authored-by: its-sven <96638100+its-sven@users.noreply.github.com>
Co-authored-by: Felix Pankratz <panki312@gmail.com>
Co-authored-by: Gabi <hookgab@gmail.com>

README.md

@@ -67,6 +67,10 @@
 - [`Sentry Safe` Plugin that can open any Sentry Safe and Master Lock electronic safe without entering pin code.](https://github.com/H4ckd4ddy/flipperzero-sentry-safe-plugin)
 - [`Dec/Hex Converter` Small "real time" decimal/hexadecimal converter.](https://github.com/theisolinearchip/flipperzero_stuff/tree/main/applications/dec_hex_converter)
 - [`MultiConverter` Multi-unit converter that can be easily expanded with new units and conversion methods.](https://github.com/theisolinearchip/flipperzero_stuff/tree/main/applications/multi_converter)
+- [`Doom` Doom-like clone for Flipper Zero.](https://github.com/p4nic4ttack/doom-flipper-zero)
+- [`bpm-tapper` Tap along to a song to measure beats per minute.](https://github.com/panki27/bpm-tapper)
+- [`Metronome` Musical metronome.](https://github.com/panki27/Metronome)
+- [`USB Keyboard` A refactor of the BT remote to work over USB. Allows the Flipper to act as an USB HID keyboard.](https://github.com/huuck/FlipperZeroUSBKeyboard)
 
 ## Firmwares & Tweaks
 
@@ -117,6 +121,7 @@
 - [`SUB Plotters / comparers` Python package to plot and compare multiple .sub files.](https://github.com/ShotokanZH/flipper_sub_plotters_comparers)
 - [`ClassicConverted` Converts Mifare Classic binary files to Flipper.](https://github.com/equipter/ClassicConverter)
 - [`musicxml2fmf` Converts MusicXML files to Flipper Music Format.](https://github.com/white-gecko/musicxml2fmf)
+- [`BadUSB keyboard converter` Payload converted for non-US keyboard layouts.](http://helppox.com/badusbconvert.html)
 
 ## Notes & References
 - [`Official battery self-repair guide` How to troubleshoot battery issues.](https://cdn.flipperzero.one/self-repair-guide.pdf)