Move Settings to its own crate

Co-authored-by: Keith Simmons <keith@zed.dev>

crates/go_to_line/Cargo.toml

@@ -11,5 +11,6 @@ doctest = false
 text = { path = "../text" }
 editor = { path = "../editor" }
 gpui = { path = "../gpui" }
+settings = { path = "../settings" }
 workspace = { path = "../workspace" }
 postage = { version = "0.4", features = ["futures-traits"] }

crates/go_to_line/src/go_to_line.rs

@@ -3,8 +3,9 @@ use gpui::{
     action, elements::*, geometry::vector::Vector2F, keymap::Binding, Axis, Entity,
     MutableAppContext, RenderContext, View, ViewContext, ViewHandle,
 };
+use settings::Settings;
 use text::{Bias, Point};
-use workspace::{Settings, Workspace};
+use workspace::Workspace;
 
 action!(Toggle);
 action!(Confirm);