chore: checkpoint before Python removal

vendor/openssl-probe-0.1.6/README.md

@@ -0,0 +1,36 @@
+# openssl-probe
+
+Tool for helping to find SSL certificate locations on the system for OpenSSL
+
+[![Crates.io](https://img.shields.io/crates/v/openssl-probe.svg?maxAge=2592000)](https://crates.io/crates/openssl-probe)
+[![docs.rs](https://docs.rs/openssl-probe/badge.svg)](https://docs.rs/openssl-probe/)
+
+## Usage
+
+First, add this to your `Cargo.toml`:
+
+```toml
+[dependencies]
+openssl-probe = "0.1.6"
+```
+
+Then add this to your crate:
+
+```rust
+fn main() {
+    let result = openssl_probe::probe();
+    if let Some(dir) = &result.cert_dir {
+        //... your code
+    }
+    if let Some(file) = &result.cert_file {
+        //... your code
+    }
+}
+```
+
+## License
+
+`openssl-probe` is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0),
+with portions covered by various BSD-like licenses.
+
+See [LICENSE-APACHE](./LICENSE-APACHE), and [LICENSE-MIT](LICENSE-MIT) for details.