docs: updates MAINTAINER.md with corrections (#82)

Signed-off-by: Jennifer Power <[email protected]>

MAINTAINERS.md

@@ -12,6 +12,7 @@ The project-wide oversight committee
 - [`jpower432`](https://github.com/jpower432)
 - [`mrgadgil`](https://github.com/mrgadgil) - Chair
 - [`yuji-watanabe-jp`](https://github.com/yuji-watanabe-jp)
+- [`vikas-agarwal76`](https://github.com/vikas-agarwal76)
 
 ### Org Admins
 
@@ -23,6 +24,7 @@ Team with admin access to the `oscal-compass` org.
 - [`vikas-agarwal76`](https://github.com/vikas-agarwal76)
 - [`mrgadgil`](https://github.com/mrgadgil)
 - [`jflowers`](https://github.com/jflowers)
+- [`degenaro`](https://github.com/degenaro)
 - [`thelinuxfoundation`](https://github.com/thelinuxfoundation)
 
 ## Community
@@ -33,3 +35,4 @@ Team with maintainer access to the Community repository
 
 - [`jpower432`](https://github.com/jpower432)
 - [`vikas-agarwal76`](https://github.com/vikas-agarwal76)
+- [`degenaro`](https://github.com/degenaro)