fix: use importlib.metadata for __version__ (was hardcoded stale)

twitter_cli/__init__.py

@@ -1,3 +1,8 @@
 """twitter-cli: A CLI for Twitter/X."""
 
-__version__ = "0.1.0"
+try:
+    from importlib.metadata import version
+
+    __version__ = version("twitter-cli")
+except Exception:
+    __version__ = "0.0.0"