Use HTML tables for architecture blocks

Closes #252 (closed) Changes the code sent to graphviz to use HTML-like syntax. Also, the font is set to default Times New Roman to avoid text overflowing in the cell

b_asic/architecture.py

@@ -204,8 +204,8 @@ class Resource(HardwareBlock):
             ]
             ret += f"<TR>{''.join(in_strs)}</TR>"
         ret += (
-            '<TR><TD'
-            f' COLSPAN="{table_width}">{self.entity_name}{self._info()}</TD></TR>'
+            f'<TR><TD COLSPAN="{table_width}">'
+            f'<B>{self.entity_name}{self._info()}</B></TD></TR>'
         )
         if outputs:
             out_strs = [
@@ -987,7 +987,7 @@ of :class:`~b_asic.architecture.ProcessingElement`
                     name = f"{destination.replace(':', '_')}_mux"
                     ret += (
                         f'<TR><TD COLSPAN="{len(inputs)}"'
-                        f' PORT="{name}">{name}</TD></TR>'
+                        f' PORT="{name}"><B>{name}</B></TD></TR>'
                     )
                     ret += f'<TR><TD COLSPAN="{len(inputs)}" PORT="out0">out0</TD></TR>'
                     dg.node(