major changes

- Added documentation via mdbook
- Created basic VS code extension
- Implemented if else blocks and changed some syntax
- fixed some issues

Cargo.toml

@@ -8,6 +8,7 @@ tokio = { version = "1", features = ["full"] }
 thiserror = "1.0"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
+libc = "0.2"
 
 [dev-dependencies]
 assert_cmd = "2.0"