Add more docs to CLI readme

cgt-cli/README.md

@@ -4,9 +4,7 @@
 
 ## Installation
 
-Once in a while when release is published, GNU/Linux and Windows pre-built binaries are published in the [releases tab](https://github.com/t4ccer/cgt-rs/releases/). GNU/Linux pre-built binaries have some problems on my system (See [Building from source](#building-from-source)), but Windows ones seems to work (confirmed with [Wine](https://www.winehq.org/)).
-
-### Building from source
+### Building from source (Recommended)
 
 To build `cgt-cli` from source clone the repository and install [Rust toolchain](https://www.rust-lang.org/tools/install) (`rustc`, `cargo`). If you are using [Nix](https://nixos.org/) you can use `nix develop` to bootstrap the development environment for you.
 
@@ -18,10 +16,23 @@ $ cargo build --package cgt-cli --release
 
 You will find the binary in `./target/release` directory created by `cargo`.
 
+### Releases page
+
+> [!WARNING]
+> There is no stable version of `cgt-cli` yet and releases are published very infrequently thus it is recommended to build from source.
+
+Once in a while when release is published, GNU/Linux and Windows pre-built binaries are published in the [releases tab](https://github.com/t4ccer/cgt-rs/releases/). GNU/Linux pre-built binaries have some problems on my system (See [Building from source](#building-from-source)), but Windows ones seems to work (confirmed with [Wine](https://www.winehq.org/)).
+
 ## Usage
 
 Once you have `cgt-cli` you can use it to print available options.
 
 ```console
 $ cgt-cli --help
 ```
+
+You can furher call `cgt-cli` with `--help` on subcommands e.g.
+
+```console
+cgt-cli snort --help
+```