Add InitConfig::builder() to be a little more idiomatic

Neat side effect: keeps rust-analyzer from complaining about unknown types
(because it doesn't expand the builder macro)!

lib/examples/demo.rs

@@ -1,6 +1,6 @@
 use watchexec::{
 	action::{Action, Outcome},
-	config::{InitConfigBuilder, RuntimeConfig},
+	config::{InitConfig, RuntimeConfig},
 	error::ReconfigError,
 	fs::Watcher,
 	signal::Signal,
@@ -13,14 +13,14 @@ async fn main() -> color_eyre::eyre::Result<()> {
 	tracing_subscriber::fmt::init();
 	color_eyre::install()?;
 
-	let mut init = InitConfigBuilder::default();
+	let mut init = InitConfig::builder();
 	init.on_error(|err| async move {
 		eprintln!("Watchexec Runtime Error: {}", err);
 		Ok::<(), std::convert::Infallible>(())
 	});
 
 	let mut runtime = RuntimeConfig::default();
-	runtime.pathset(["src"]);
+	runtime.pathset(["src", "dontexist", "examples"]);
 	runtime.command(["date"]);
 
 	let wx = Watchexec::new(init.build()?, runtime.clone())?;

lib/src/config.rs

@@ -139,6 +139,13 @@ pub struct InitConfig {
 	pub event_channel_size: usize,
 }
 
+impl InitConfig {
+	/// Returns a new [`InitConfigBuilder`] for builder the initial configuration.
+	pub fn builder() -> InitConfigBuilder {
+		InitConfigBuilder::default()
+	}
+}
+
 impl InitConfigBuilder {
 	/// Set the runtime error handler.
 	///

lib/src/lib.rs

@@ -17,13 +17,13 @@
 //! use watchexec::{
 //!     Watchexec,
 //!     action::{Action, Outcome},
-//!     config::{InitConfigBuilder, RuntimeConfig},
+//!     config::{InitConfig, RuntimeConfig},
 //!     handler::{Handler as _, PrintDebug},
 //! };
 //!
 //! #[tokio::main]
 //! async fn main() -> Result<(), Report> {
-//!     let mut init = InitConfigBuilder::default();
+//!     let mut init = InitConfig::builder();
 //!     init.on_error(PrintDebug(std::io::stderr()));
 //!
 //!     let mut runtime = RuntimeConfig::default();

lib/tests/error_handler.rs

@@ -2,7 +2,7 @@ use std::time::Duration;
 
 use tokio::time::sleep;
 use watchexec::{
-	config::{InitConfigBuilder, RuntimeConfig},
+	config::{InitConfig, RuntimeConfig},
 	Watchexec,
 };
 
@@ -11,7 +11,7 @@ async fn main() -> color_eyre::eyre::Result<()> {
 	tracing_subscriber::fmt::init();
 	color_eyre::install()?;
 
-	let mut init = InitConfigBuilder::default();
+	let mut init = InitConfig::builder();
 	init.on_error(|err| async move {
 		eprintln!("Watchexec Runtime Error: {}", err);
 		Ok::<(), std::convert::Infallible>(())