message: Update README.md
  Add a link to ArchLinux package.
  Add meshopt_decodeIndexSequence to the list of decoders that don't allocate.
diff: @@ -18,6 +18,8 @@ git clone -b v0.14 https://github.com/zeux/meshoptimizer.git
  Alternatively you can [download the .zip archive from GitHub](https://github.com/zeux/meshoptimizer/archive/v0.14.zip).
  +The library is available as a Linux package in some distributions ([ArchLinux](https://aur.archlinux.org/packages/meshoptimizer/)).
  +
  ## Building
  meshoptimizer is distributed as a set of C++ source files. To include it into your project, you can use one of the two options:
  @@ -265,7 +267,7 @@ meshopt_setAllocator(malloc, free);
  > Note that the library expects the allocation function to either throw in case of out-of-memory (in which case the exception will propagate to the caller) or abort, so technically the use of `malloc` above isn't safe. If you want to handle out-of-memory errors without using C++ exceptions, you can use `setjmp`/`longjmp` instead.
  -Vertex and index decoders (`meshopt_decodeVertexBuffer` and `meshopt_decodeIndexBuffer`) do not allocate memory and work completely within the buffer space provided via arguments.
  +Vertex and index decoders (`meshopt_decodeVertexBuffer`, `meshopt_decodeIndexBuffer`, `meshopt_decodeIndexSequence`) do not allocate memory and work completely within the buffer space provided via arguments.
  All functions have bounded stack usage that does not exceed 32 KB for any algorithms.
  