flatline redistribution notice

flatline itself is licensed under Apache-2.0. See LICENSE.

This package compiles and links against the Ghidra decompiler engine. The
decompiler source is vendored under third_party/ghidra as a git submodule
from the NSA/ghidra repository. The upstream Ghidra project is licensed
under Apache-2.0; see third_party/ghidra/LICENSE and third_party/ghidra/NOTICE
for upstream attribution.

Default runtime data is provided by the separate ghidra-sleigh dependency.

Test-fixture redistribution note: tests/fixtures/README.md documents that the
committed fixture bytes are synthetic machine code authored in-repo and are
redistributable.
