chore: normalize package name (#1653)

* update gitignore

* bump version

* chore: normalize package name

Author: carlosmiei

setup.py

@@ -18,7 +18,7 @@
     long_description = fh.read()
 
 setup(
-    name="python-binance",
+    name="python_binance",
     version=version,
     packages=find_packages(exclude=["tests", "examples"]),
     description="Binance REST API python implementation",