Update readme and contributing

CONTRIBUTING.md

@@ -3,4 +3,5 @@ How to Contribute
 
 We'd love to accept your patches and contributions to this project.
 We just need you to follow the Contributor License Agreement outlined
-in the latest v0.0.x of https://github.com/Skrunix/license
+in the latest v0.0.x of https://git.skrundz.dev/skrunix/license
+(mirrored to https://github.com/skrunix/license)

crates/cli-mux/README.md

@@ -7,5 +7,5 @@ CLI for bulk media muxing
 ## Commands
 
 ```sh
-cargo run -- <DIR>
+flix-mux -s 'v:0>eng;a:eng;s:eng:forced?;s:eng?;s:eng:sdh?' <DIR>
 ```

crates/cli/README.md

@@ -7,6 +7,6 @@ CLI for interacting with a flix database
 ## Commands
 
 ```sh
-cargo run -- init
+flix init
-cargo run -- add tmdb movie <id>
+flix add tmdb movie <id>
 ```