feat:spaces after parentheses; formatting

resolves #26

README.md

@@ -39,8 +39,8 @@ Example:
 ```python3
 >>> from daidepp import AND, PRP, PCE
 >>> str(AND(PRP(PCE("AUS")), PRP(PCE("AUS", "ENG"))))
-`AND ((PRP (PCE (AUS))) (PRP (PCE (AUS ENG))) (PRP (PCE (AUS ENG FRA))))`
-```
+`AND ( ( PRP ( PCE ( AUS ) ) ) ( PRP ( PCE ( AUS ENG ) ) ) ( PRP ( PCE ( AUS ENG FRA ) ) ) )`
+ ```
 Each class in `keywords.py` uses different parameters for instantiation, so it is recommended to carefully follow the type hints or checkout `tests/test_keywords.py`, which provices examples for each class. 
 
 ## Pull Requests

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = daidepp
-version = 0.1.0
+version = 0.2.0
 author = Byung Oh
 author_email = [email protected]
 description = "DAIDE Parser"

src/daidepp/__init__.py

@@ -1,4 +1,3 @@
 from daidepp.daide_visitor import daide_visitor
 from daidepp.grammar import create_daide_grammar
-
-from daidepp.keywords import *
+from daidepp.keywords import *

src/daidepp/constants.py

@@ -1,4 +1,4 @@
-from typing import Literal
+from typing_extensions import Literal
 
 POWER = Literal["AUS", "ENG", "FRA", "GER", "ITA", "RUS", "TUR"]
 UNIT_TYPE = Literal["AMY", "FLT"]

src/daidepp/daide_visitor.py

@@ -1,5 +1,7 @@
 from parsimonious.nodes import Node, NodeVisitor
 
+from daidepp.keywords import *
+
 
 class DAIDEVisitor(NodeVisitor):
     def visit_message(self, node, visited_children):