Made it clearer that building is for contributors only in `COMPILING.md`

Fixed 2 dead links in `CONTRIBUTING.md`, that were caused by separating
`COMPILING.md` and file structure changed to `pr-guide.md`

Added missing translations and fixed a few spelling mistakes.

misc: chore: Move build instructions into its own markdown file; remove compatibility section since there's no games list.

Fixes a bug that causes the main window to not size properly when the
TitleBar is enabled (i.e.: when the TitleBar and MenuStrip are separate
entities). Corrects the size for main window startup and when a user
clicks a "View > Window Size > *Resolution Here*" MenuStripItem

Prior to this fix if a user selects 720p/1080p and "Show Title Bar" is
enabled, the window would be sized smaller than intended and display
black bars on the sides of the render area

I participated in the Ryujinx Korean localisation through crowdin, but
there were some parts that I couldn't express in my own colours because
of the existing translation, but I started from scratch and coloured it
with my own colours.

There were some duplicates while editing, so I fixed them all.

Implements IAllSystemAppletProxiesService: 350
(OpenSystemApplicationProxy)

This fixes a crash that occurs when launching an NSP forwarder generated
by Nro2Nsp.

Adds the fix for the crash in the opening cutscene of Baldo: The Sacred
Owls when using Vulkan, from ryujinx-mirror. The original discussion
about the fix can be found
[here.](https://github.com/ryujinx-mirror/ryujinx/pull/52)

It's up to you if you want to merge this, it's one of the very few
improvements that ryujinx-mirror got that hasn't made it into your fork
yet. My opinion is that without a graphics expert on board, we can't
know the real cause of this divide-by-zero issue and will have to make
do with this patch to fix it. And I think we will have to do this many
times in the future for other games that suffer crashes at the moment as
well, at least going by current discussions in the #development section
of the discord.

I did not come up with this fix, all credit goes to
[EmulationEnjoyer](https://github.com/EmulationEnjoyer) for putting
Ryujinx through a debugger and discovering the cause of the crash.

These changes allow players to matchmake for local wireless using a LDN
server. The network implementation originates from Berry's public TCP
RyuLDN fork. Logo and unrelated changes have been removed.

Additionally displays LDN game status in the game selection window when
RyuLDN is enabled.

Functionality is only enabled while network mode is set to "RyuLDN" in
the settings.

misc: Move the LowPowerPtc event handler that changes Optimizations.LowPower into the ConfigurationState ctor

Migration, Model, and everything else.

UI: Conditionally enable install/uninstall file types buttons based on whether they're installed already

When switching between players' gamepads while saving settings, then
returning to the previous player, the settings show the default settings
instead of the actual settings applied

This feature adds a way to change the Amiibo's nickname inside Smash and
other places where it's used, so it’s not always "Ryujinx." However, I
did not add a GUI or create the Cabinet applet that would allow users to
change this. So you will have to go to system/amiibo and find your
amiibo id to change it.

Currently, in Ryujinx, if an app attempts to open an unimplemented
applet, it crashes. This change adds a dummy applet to send a dummy
response instead of crashing and logs the applet.