docs: write super cool documentation

src/wrappers/context.rs

@@ -1,11 +1,17 @@
 use crate::api::functions::{init, is_initted, set_app_icon, set_app_name, uninit};
 
+/// Notification context. Handles libnotify initializing and uninitializing.
 pub struct LibnotifyContext {}
 
 static IS_CONTEXT_CREATED: std::sync::atomic::AtomicBool =
     std::sync::atomic::AtomicBool::new(false);
 
 impl LibnotifyContext {
+    /// Try initializing libnotify
+    ///
+    /// # Error
+    /// Returns an error, if libnotify cannot be initialized or if there already exists a context
+    /// object
     pub fn new(app_name: &str) -> Result<LibnotifyContext, Box<dyn std::error::Error>> {
         if IS_CONTEXT_CREATED.swap(true, std::sync::atomic::Ordering::SeqCst) {
             return Err("You can create only one context at a time".into());
@@ -18,11 +24,13 @@ impl LibnotifyContext {
         Ok(Self {})
     }
 
+    /// Sets global app name
     pub fn set_new_name(&self, app_name: &str) -> Result<(), std::ffi::NulError> {
         set_app_name(app_name)?;
         Ok(())
     }
 
+    /// Sets global app icon
     pub fn set_app_icon(&self, app_icon: &str) -> Result<(), std::ffi::NulError> {
         set_app_icon(app_icon)?;
         Ok(())