add properties for tex type and flavour

PyTeX/format/formatting_config.py

@@ -390,6 +390,27 @@ class FormattingConfig(Config):
         else:
             return self._escape_character
 
+    @property
+    def tex_type(self) -> TeXType:
+        if self._tex_type is None:
+            return TeXType.TeXClass
+        else:
+            return self._tex_type
+
+    @tex_type.setter
+    def tex_type(self, tex_type: TeXType):
+        self._tex_type = tex_type
+
+    @property
+    def tex_flavour(self) -> TeXFlavour:
+        if self._tex_flavour is None:
+            return TeXFlavour.LaTeX2e
+        else:
+            return self._tex_flavour
+
+    @tex_flavour.setter
+    def tex_flavour(self, tex_flavour: TeXFlavour) -> None:
+        self._tex_flavour = tex_flavour
 
 class DocFormattingConfig:
     def __init__(self):