Add copy handler and linkable version (#1451)

* Add copy handler and linkable version

* fmt

* dbg

* fix

* fmt

Author: wsmoses

deps/ReactantExtra/.bazelrc

@@ -3,6 +3,7 @@ build --announce_rc
 # TODO: Migrate for https://github.com/bazelbuild/bazel/issues/7260
 common --noincompatible_enable_cc_toolchain_resolution
 common --experimental_repo_remote_exec
+common --cxxopt=-mcmodel=large
 common --cxxopt=-std=c++17 --host_cxxopt=-std=c++17
 common --cxxopt=-w --host_cxxopt=-w
 common --define=grpc_no_ares=true