fix(ast): optional whitespace following heading markers

Cargo.toml

@@ -2,7 +2,7 @@
 
 [package]
 name = "germ"
-version = "0.4.2"
+version = "0.4.3"
 authors = ["Fuwn <[email protected]>"]
 edition = "2021"
 description = "The Ultimate Gemini Toolkit."

src/ast/container.rs

@@ -216,13 +216,6 @@ impl Ast {
           // find out how deep it goes.
           let level =
             line.trim_start().chars().take_while(|&c| c == '#').count();
-          let level = if level > 0
-            && line.chars().nth(level).map_or(true, char::is_whitespace)
-          {
-            level
-          } else {
-            0
-          };
 
           nodes.push(Node::Heading {
             level,