gave tweeter its own function

tweet/readme.md

@@ -0,0 +1,10 @@
+You need to add your twitter api keys to a `keys.py` file in this directory with the following format:
+
+```python
+keys = {
+    "API": "API_KEY_HERE",
+    "API_SECRET": "API_SECRET_KEY_HERE",
+    "TOKEN": "TOKEN_KEY_HERE",
+    "TOKEN_SECRET": "TOKEN_SECRET_KEY_HERE",
+}
+```