feat(api): shortcut methods for following & followers

examples/follows_me.rs

@@ -0,0 +1,25 @@
+#![cfg_attr(not(feature = "toml"), allow(dead_code))]
+#![cfg_attr(not(feature = "toml"), allow(unused_imports))]
+mod register;
+
+use register::MastodonClient;
+use std::error;
+
+#[cfg(feature = "toml")]
+fn main() -> Result<(), Box<error::Error>> {
+    let mastodon = register::get_mastodon_data()?;
+    for account in mastodon.follows_me()?.items_iter() {
+        println!("{}", account.acct);
+    }
+
+    Ok(())
+}
+
+#[cfg(not(feature = "toml"))]
+fn main() {
+    println!(
+        "examples require the `toml` feature, run this command for this example:\n\ncargo run \
+         --example print_your_profile --features toml\n"
+    );
+}
+