Add doc link to help modal and CLI help

crates/cli/src/lib.rs

@@ -25,6 +25,8 @@ const COMMAND_NAME: &str = "slumber";
 /// Configurable HTTP client with both TUI and CLI interfaces
 ///
 /// If subcommand is omitted, start the TUI.
+///
+/// https://slumber.lucaspickering.me/book/
 #[derive(Debug, Parser)]
 #[clap(author, version, about, name = COMMAND_NAME)]
 pub struct Args {

crates/core/src/util.rs

@@ -20,7 +20,6 @@ use std::{
 use tokio::sync::{Mutex, OwnedRwLockWriteGuard, RwLock};
 use tracing::error;
 
-const WEBSITE: &str = "https://slumber.lucaspickering.me";
 /// Link to the GitHub New Issue form
 pub const NEW_ISSUE_LINK: &str =
     "https://github.com/LucasPickering/slumber/issues/new/choose";
@@ -36,7 +35,12 @@ pub const NEW_ISSUE_LINK: &str =
 /// );
 /// ```
 pub fn doc_link(path: &str) -> String {
-    format!("{WEBSITE}/book/{path}.html")
+    const ROOT: &str = "https://slumber.lucaspickering.me/book/";
+    if path.is_empty() {
+        ROOT.into()
+    } else {
+        format!("{ROOT}{path}.html")
+    }
 }
 
 /// Parse bytes from a reader into YAML. This will merge any anchors/aliases.

crates/tui/src/view/component/help.rs

@@ -14,7 +14,7 @@ use ratatui::{
     Frame,
 };
 use slumber_config::{Action, Config, InputBinding};
-use slumber_core::util::paths;
+use slumber_core::util::{doc_link, paths};
 
 const CRATE_VERSION: &str = env!("CARGO_PKG_VERSION");
 
@@ -53,7 +53,7 @@ pub struct HelpModal;
 
 impl HelpModal {
     /// Number of lines in the general section (not including header)
-    const GENERAL_LENGTH: u16 = 4;
+    const GENERAL_LENGTH: u16 = 5;
 
     /// Get the list of bindings that will be shown in the modal
     fn bindings() -> impl Iterator<Item = (Action, &'static InputBinding)> {
@@ -97,6 +97,7 @@ impl Draw for HelpModal {
             title: Some("General"),
             rows: [
                 ("Version", Line::from(CRATE_VERSION)),
+                ("Docs", doc_link("").into()),
                 ("Configuration", Config::path().display().to_string().into()),
                 ("Log", paths::log_file().display().to_string().into()),
                 (