fix table in markdown (#2855)

Without the blank line, the table doesn't render in Macdown or the IntelliJ Markdown plugin, even though the GitHub web UI works without the change. Seems that Markdown does expect a blank line to separate a paragraph and a table.

Signed-off-by: Danny Faught <danny.faught@gmail.com>

MAINTAINERS.md

@@ -17,6 +17,7 @@ Official list of [OpenCost Maintainers](https://github.com/orgs/opencost/teams/o
 
 ## Opencost Emeritus Committers
 We would like to acknowledge previous committers and their huge contributions to our collective success:
+
 | Maintainer | GitHub ID | Affiliation | Email |
 | --------------- | --------- | ----------- | ----------- |
 | Michael Dresser | @michaelmdresser | Kubecost | <michaelmdresser@gmail.com> |