feat(neswire): open the audio server

Captures a session's audio and hands it to the transport over a local socket.
Third component in, imported as a tree from `nestrilabs/neswire` on the same
terms as the previous two.

Wired to the workspace, `nesprotocol` by path. 4 tests pass.

`bin/hub-stub.rs` is a stand-in for the transport's listener, which is what lets
this be developed and tested without the rest of a box existing. It names the
transport by its old name, and is left for the rename commit along with the two
in the compositor.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

apps/neswire/.gitignore

@@ -0,0 +1,45 @@
+```
+# Rust/Cargo specific
+/target/
+Cargo.lock
+**/Cargo.lock
+.cargo/
+cargo_home/
+
+# Git related
+.git/
+
+# Temporary files
+*.tmp
+*.swp
+*~
+
+# Logs
+*.log
+
+# OS generated files
+.DS_Store
+Thumbs.db
+
+# Environment files
+.env
+.env.local
+*.env.*
+
+# IDE files
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Build artifacts
+build/
+dist/
+*.o
+*.obj
+*.exe
+*.dll
+*.so
+*.a
+*.out
+```