docs(all): Added documentation to missing parts

src/entities/relationship.rs

@@ -1,8 +1,17 @@
+//! module containing everything relating to a relationship with
+//! another account.
+
+/// A struct containing information about a relationship with another account.
 #[derive(Debug, Clone, Deserialize)]
 pub struct Relationship {
+    /// Whether the application client follows the account.
     pub following: bool,
+    /// Whether the account follows the application client.
     pub followed_by: bool,
+    /// Whether the application client blocks the account.
     pub blocking: bool,
+    /// Whether the application client blocks the account.
     pub muting: bool,
+    /// Whether the application client has requested to follow the account.
     pub requested: bool,
 }