added better documentation and code snipppets for the use_resource, use_future, use_effect and use_context hooks

packages/hooks/src/use_effect.rs

@@ -1,10 +1,22 @@
 use dioxus_core::prelude::*;
 use dioxus_signals::ReactiveContext;
 
-/// Create a new effect. The effect will be run immediately and whenever any signal it reads changes.
-/// The signal will be owned by the current component and will be dropped when the component is dropped.
-///
+/// use_effect will subscribe to any changes in the signal values it captures
+/// effects will always run after first mount and then whenever the signal values change
 /// If the use_effect call was skipped due to an early return, the effect will no longer activate.
+/// ```rust
+/// fn app() -> Element {
+///     let mut count = use_signal(|| 0);
+///     //the effect runs again each time count changes
+///     use_effect(move || println!("Count changed to {count}"));
+///
+///     rsx! {
+///         h1 { "High-Five counter: {count}" }
+///         button { onclick: move |_| count += 1, "Up high!" }
+///         button { onclick: move |_| count -= 1, "Down low!" }
+///     }
+/// }
+/// ```
 pub fn use_effect(mut callback: impl FnMut() + 'static) {
     // let mut run_effect = use_hook(|| CopyValue::new(true));
     // use_hook_did_run(move |did_run| run_effect.set(did_run));