Add and update copyright headers

proto/generate_code_erlang.sh

proto/src/erlang/src/tfpb.app.src

src/service/service/service_handlers/te/ConfigRules.py

src/service/service/service_handlers/te/TEServiceHandler.py

src/service/service/service_handlers/te/__init__.py

src/te/Dockerfile

src/te/apps/epce/src/epce.app.src

src/te/apps/epce/src/epce_app.erl

src/te/apps/epce/src/epce_pcep_server_handler.erl

src/te/apps/epce/src/epce_server.erl

src/te/apps/epce/src/epce_sup.erl

src/te/apps/epce/src/epce_ted.erl

src/te/apps/tfte/src/tfte.app.src

src/te/apps/tfte/src/tfte_app.erl

src/te/apps/tfte/src/tfte_context.erl

src/te/apps/tfte/src/tfte_server.erl

src/te/apps/tfte/src/tfte_service_sup.erl

src/te/apps/tfte/src/tfte_sup.erl

src/te/apps/tfte/src/tfte_te_service.erl

src/te/apps/tfte/src/tfte_topology.erl