Update README.md

Add Jedi Outcast section.
Adjusted 64-bit section.
[MP] Removed unused classes from tr_WorldEffects.h
[MP] Made ui use bsearch for commands.
Removed ui_teamOrders that did nothing.
Made ui_test actually be considered a command to the engine.
[JK2SP] Some 64 bit, gcc and clang fixes
[JK2SP] More warnings fixes
[MP] ICARUS invalid fwrite arguments
CMake: Allow changing the project name
[MP] Fixed typo in NPC spawn command
[JK2SP] Remove unused header.
[JK2SP] More header cleanup.
[SP] Merge minor optimization for primitive types in FX code from MP.
[MP] Use size_t not unsigned int in FxScheduler.cpp.
[JK2SP] Merge minor optimization for primitive types in FX code from MP.
[MP] CGame: Remove unused particle code from q3/wolf codebase.
If someone really wants it, they can add the cg_particles.c file from ioq3, its the same thing.
[MP] Move renderer decals code to its own file.
[MP] Remove trap_Print/trap_Error prototypes, they should not be used outside of the syscall file.
Remove q3print enums from cg_local.h
[SP] Fix png reading with extra chunks that do not get handled by the game anyway.
ex: "iCCP: known incorrect sRGB profile"
[MP] Fix png reading with extra chunks that do not get handled by the game anyway.
ex: "iCCP: known incorrect sRGB profile"
[MP] Move leftover decal stuff to the decal file.
[SP] Move the image and screenshot code closer to MP.