Merge pull request 'Add a `blank_line()` method to `Builder`' (#13) from alch_emii/maj-prs:blank-line into main

Reviewed-on: #13

gemtext/src/lib.rs

@@ -18,6 +18,17 @@ impl Builder {
         self
     }
 
+    /// Append a single blank line to the document
+    ///
+    /// This is equivilent to calling [`text()`] with an empty string, or pushing a blank
+    /// [`Node`]
+    ///
+    /// [`text()`]: Self::text()
+    pub fn blank_line(mut self) -> Self {
+        self.nodes.push(Node::blank());
+        self
+    }
+
     pub fn link<T: Into<String>>(mut self, to: T, name: Option<String>) -> Builder {
         self.nodes.push(Node::Link {
             to: to.into(),