docs: fix list format (argoproj#15798)

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

docs/proposals/feature-bounties.md

@@ -31,6 +31,7 @@ This proposal is experimental, meaning after trying a single bounty, we will rev
 
 #### Creating a Bounty
 A bounty is a special proposal created under `docs/proposals/feature-bounties`. 
+
 * A bounty proposal may only be created by an existing Argo maintainer.
 * The proposal document must be reviewed in regular maintainer meetings and an invitation for feedback will provide 7-days to comment.
 * Bounty should have approval with [lazy-consensus](https://community.apache.org/committers/lazyConsensus.html)