CONVL & COGS1 filings

#### COGS1 - Certificate of Good Standing
- [ ] Determine: Do we need to be able to reproduce historical certificates? No - Claudine confirmed they never do this.
- [ ] no ledger or outputs to display in ledger - need to figure out how to hide COGS1 filings in the ledger.

#### CONVL - Conversion filings x 20
These are filings that were before COLIN was designed. There is no consistent filing name to display in the ledger. No outputs are available..
- [ ] Schema change - maybe a new table to store all the different filing names
- [ ] Run a script to add these filings to the ledger
- [ ] Add 'available on paper only' info to the ledger

The 20 CONVL EVENT_ID s are:

This is out of date. There's another ticket to deal with conversion filings (and the conversion ledger table that has the filing names in it).