docs: unify concise tagline b/w binary --help and Cargo.toml

Author: ErichDonGubler

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "git-glimpse"
-description = "(WIP) An opinionated command-line tool that uses `git log --graph` to only show refs you care about."
+description = "Show a minimal graph of Git commits for various use cases."
 version = "0.4.1"
 edition = "2021"
 license = "MIT OR Apache-2.0"

src/main.rs

@@ -4,7 +4,7 @@ use clap::Parser;
 use ezcmd::EasyCommand;
 use git_glimpse::{git_config, list_branches_cmd, run, show_graph, stdout_lines};
 
-/// Show a minimal graph of Git commits.
+/// Show a minimal graph of Git commits for various use cases.
 ///
 /// When no arguments are specified, this commands runs as if the `stack` subcommand was invoked
 /// with no arguments.