update feature tables

Author: abr-egn

README.md

@@ -74,6 +74,7 @@ features = ["sync"]
 | `zlib-compression`   | Enable support for compressing messages with [`zlib`](https://zlib.net/)                                                              | `flate2` 1.0                        | no      |
 | `zstd-compression`   | Enable support for compressing messages with [`zstd`](http://facebook.github.io/zstd/).  This flag requires Rust version 1.54.        | `zstd` 0.9.0                        | no      |
 | `snappy-compression` | Enable support for compressing messages with [`snappy`](http://google.github.io/snappy/)                                              | `snap` 1.0.5                        | no      |
+| `openssl-tls`        | Switch TLS connection handling to use ['openssl'](https://docs.rs/openssl/0.10.38/).                                                  | `openssl` 0.10.38                       | no      |
 
 ## Example Usage
 Below are simple examples of using the driver. For more specific examples and the API reference, see the driver's [docs.rs page](https://docs.rs/mongodb/latest).

src/lib.rs

@@ -62,6 +62,7 @@
 //! | `zlib-compression`   | Enable support for compressing messages with [`zlib`](https://zlib.net/)                                                              | `flate2` 1.0                        | no      |
 //! | `zstd-compression`   | Enable support for compressing messages with [`zstd`](http://facebook.github.io/zstd/).  This flag requires Rust version 1.54.        | `zstd` 0.9.0                        | no      |
 //! | `snappy-compression` | Enable support for compressing messages with [`snappy`](http://google.github.io/snappy/)                                              | `snap` 1.0.5                        | no      |
+//! | `openssl-tls`        | Switch TLS connection handling to use ['openssl'](https://docs.rs/openssl/0.10.38/).                                                  | `openssl` 0.10.38                   | no      |
 //!
 //! # Example Usage
 //!