fix(docs): broken link in top-level README

Signed-off-by: Grzegorz Nosek <[email protected]>

README.md

@@ -10,7 +10,7 @@ This crate provides a framework for writing [Falco](https://github.com/falcosecu
 plugins. There are several types of plugins available. Learn more about Falco plugins
 and plugin types in the [Falco plugin documentation](https://falco.org/docs/plugins/).
 
-You can find more details in the [documentation](falcosecurity.github.io/plugin-sdk-rs/).
+You can find more details in the [documentation](https://falcosecurity.github.io/plugin-sdk-rs/).
 
 ## Join the Community
 
@@ -27,4 +27,4 @@ Please report security vulnerabilities following the community process documente
 
 ## License Terms
 
-This project is licensed to you under the [Apache 2.0](./LICENSE) open source license.
+This project is licensed to you under the [Apache 2.0](./LICENSE) open source license.