Bump Cargo.toml to version 0.1.6 and add missing docs to README

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fh"
-version = "0.1.5"
+version = "0.1.6"
 authors = ["Determinate Systems <[email protected]>"]
 edition = "2021"
 license = "Apache 2.0"

README.md

@@ -57,6 +57,7 @@ Respond to the prompts it provides you and at the end `fh` will write a `flake.n
 
 `fh init` has built-in support for the following languages:
 
+* [Elm]
 * [Go]
 * [Java]
 * [JavaScript]
@@ -165,7 +166,6 @@ fh list flakes
 ...
 ```
 
-
 #### List orgs
 
 ```shell
@@ -203,6 +203,50 @@ fh list versions hyprwm/Hyprland "0.1.*"
 +------------------------------------------------------------------------------------------------------------------------------+
 ```
 
+### List by label
+
+You can list flakes by label using the `fh list label` comand:
+
+```shell
+fh list label <label>
+```
+
+Here's an example:
+
+```shell
+fh list label wayland
+```
+
+```console
++-------------------------------------------------------------+
+| Flake            FlakeHub URL                               |
++-------------------------------------------------------------+
+| hyprwm/Hyprland  https://flakehub.com/flake/hyprwm/Hyprland |
++-------------------------------------------------------------+
+```
+
+## Shell completion
+
+You can generate shell completion scripts using the `fh completion` command:
+
+```shell
+fh completion <shell>
+```
+
+Here's an example:
+
+```shell
+fh completion bash
+```
+
+These shells are supported:
+
+* [Bash]
+* [Elvish]
+* [Fish]
+* [Powershell]
+* [zsh]
+
 ## A note on automation
 
 Piping `fh list` commands to another program emits [CSV] instead of the stylized table.
@@ -217,7 +261,11 @@ You can apply the `--json` flag to each list command to produce JSON output.
 
 For support, email [email protected] or [join our Discord](https://discord.gg/invite/a4EcQQ8STr).
 
+[bash]: https://gnu.org/software/bash
 [csv]: https://en.wikipedia.org/wiki/Comma-separated_values
+[elm]: https://elm-lang.org
+[elvish]: https://elv.sh
+[fish]: https://fishshell.com
 [flakehub]: https://flakehub.com
 [flakes]: https://flakehub.com/flakes
 [go]: https://golang.org
@@ -229,8 +277,10 @@ For support, email [email protected] or [join our Discord](https://discord.gg
 [nixpkgs]: https://zero-to-nix.com/concepts/nixpkgs
 [orgs]: https://flakehub.com/orgs
 [php]: https://php.net
+[powershell]: https://learn.microsoft.com/powershell
 [python]: https://python.org
 [ruby]: https://ruby-lang.org
 [rust]: https://rust-lang.org
 [semver]: https://flakehub.com/docs#semver
 [zig]: https://ziglang.org
+[zsh]: https://zsh.org