Update README.md

Author: someone-stole-my-name

README.md

@@ -1,2 +1,31 @@
-# DAMT
+# DAMT ![Build](https://github.com/someone-stole-my-name/DAMT/workflows/Build/badge.svg)
 Delete your tweets before a specific date
+
+### Usage:
+```
+-config string
+        JSON Config File
+  -days int
+        Tweets older than this value will be deleted
+  -help
+        Prints this message
+  -test
+        Do not delete anything
+        
+   Example:
+   Delete all tweets older than 7 days
+   ./DAMT --config configfile.json --days 7
+   
+   Delete all my tweets
+   ./DAMT --config configfile.json
+```
+
+#### ConfigFile
+```
+{
+    "APIKey":"xxxx",
+    "APISecretKey":"xxxx",
+    "AccessToken":"xxxx",
+    "AccessTokenSecret":"xxxx"
+}
+```