feature: only external links open in new tab

src/zona/config.py

@@ -37,6 +37,11 @@ class HighlightingConfig:
     wrap: bool = False
 
 
+@dataclass
+class LinksConfig:
+    external_new_tab: bool = True
+
+
 @dataclass
 class MarkdownConfig:
     image_labels: bool = True
@@ -44,6 +49,7 @@ class MarkdownConfig:
     syntax_highlighting: HighlightingConfig = field(
         default_factory=HighlightingConfig
     )
+    links: LinksConfig = field(default_factory=LinksConfig)
 
 
 @dataclass