Add Datadog third-party license file

Author: guilload

LICENSE-3rdparty.csv

@@ -0,0 +1,15 @@
+Component,Origin,License,Copyright
+bytes,https://github.com/tokio-rs/bytes,MIT,"Carl Lerche <[email protected]>, Sean McArthur <[email protected]>"
+cfg-if,https://github.com/alexcrichton/cfg-if,MIT OR Apache-2.0,Alex Crichton <[email protected]>
+crc32fast,https://github.com/srijs/rust-crc32fast,MIT OR Apache-2.0,"Sam Rijs <[email protected]>, Alex Crichton <[email protected]>"
+once_cell,https://github.com/matklad/once_cell,MIT OR Apache-2.0,Aleksey Kladov <[email protected]>
+pin-project-lite,https://github.com/taiki-e/pin-project-lite,Apache-2.0 OR MIT,The pin-project-lite Authors
+proc-macro2,https://github.com/dtolnay/proc-macro2,MIT OR Apache-2.0,"David Tolnay <[email protected]>, Alex Crichton <[email protected]>"
+quote,https://github.com/dtolnay/quote,MIT OR Apache-2.0,David Tolnay <[email protected]>
+serde,https://github.com/serde-rs/serde,MIT OR Apache-2.0,"Erick Tryzelaar <[email protected]>, David Tolnay <[email protected]>"
+syn,https://github.com/dtolnay/syn,MIT OR Apache-2.0,David Tolnay <[email protected]>
+thiserror,https://github.com/dtolnay/thiserror,MIT OR Apache-2.0,David Tolnay <[email protected]>
+tracing,https://github.com/tokio-rs/tracing,MIT,"Eliza Weisman <[email protected]>, Tokio Contributors <[email protected]>"
+tracing-attributes,https://github.com/tokio-rs/tracing,MIT,"Tokio Contributors <[email protected]>, Eliza Weisman <[email protected]>, David Barsky <[email protected]>"
+tracing-core,https://github.com/tokio-rs/tracing,MIT,Tokio Contributors <[email protected]>
+unicode-ident,https://github.com/dtolnay/unicode-ident,(MIT OR Apache-2.0) AND Unicode-3.0,David Tolnay <[email protected]>