Add basic support for panels and code block in jiradoc

crates/libjirac/src/entities/doc.rs

@@ -17,6 +17,8 @@ pub enum DocNode {
     Rule,
     Heading(Vec<DocTextNode>),
     MediaSingle(Vec<DocTextMarker>),
+    Panel(Vec<DocNode>),
+    CodeBlock(Vec<DocTextNode>),
 }
 
 #[derive(Debug, Clone, Deserialize, Serialize)]
@@ -86,5 +88,4 @@ pub struct DocMention {
 pub struct DocMentionAttrs {
     pub id: String,
     pub text: String,
-    pub local_id: String,
 }