feat: Renderer add nonbreakable spaces and halfwidth spaces

renderer/nonbreaking_spaces.py

@@ -0,0 +1,25 @@
+import re
+
+from mistletoe.span_token import SpanToken
+
+
+class NonbreakingSpaces(SpanToken):
+    """
+    Insert unbreakable space into span token (§ 3)
+    Identifies "§$number", "Abs.$number", "Klasse [A,E,N]" w/ and w\ space between.
+    Identifies "..." with and without leading and trailing space
+    """
+    pattern = re.compile(r"(§|Abs\.|Klasse)\s?(\d|[NEA])")
+
+    def __init__(self, match_object):
+        self.first = match_object.group(1)
+        self.second = match_object.group(2)
+
+class NonbreakingSpacesDots(SpanToken):
+    pattern = re.compile(r"\s?(\.\.\.)\s?")
+
+    def __init__(self, match_object):
+        self.first = match_object.group(1)
+        
+
+