option to reuse parameters from most recent new proposal when using `add`. fixes #4

CHANGELOG.md

@@ -1,7 +1,10 @@
 # CHANGELOG
 
-(29 October 2023)
-Add option to specify date ranges or limits using `--start-date` and `--end-date`. This only applies to `list-*` command options.
+## 29 October 2023
+
+- Add option to specify date ranges or limits using `--start-date` and `--end-date`. This only applies to `list-*` command options.
+- Add `--reuse-parameters`/`-r` for `add`. This will auto-fill the proposal type, submiting organzation, solicitation, and telescope from the most recent submission.
+
+## pre-October 2023
 
-(pre-October 2023)
 In the beginning was the simple proposal tool.