Release v0.0.4

What's Changed

• Allow NnfContainerProfiles to be restricted to a UserID/GroupID by @roehrich-hpe in #82
• Add reference to the nnf-integration-test submodule by @roehrich-hpe in #88
• Add container hostname info by @bdevcich-hpe in #90
• Added docs for Container Ports by @bdevcich-hpe in #92
• Releasing NNF Software - handling nnf-mfu version references in nnf-dm by @bdevcich-hpe in #93
• Add user guide for external MGS by @matthew-richerson in #95
• Rounded out User Container guide by @bdevcich-hpe in #94
• Added container error handling in PreRun/PostRun by @bdevcich-hpe in #96
• Added link to the containers RFC to the main docs by @bdevcich-hpe in #97
• Fix release doc formatting by @bdevcich-hpe in #102
• Release v0.0.4 by @matthew-richerson in #103

Full Changelog: v0.0.3...v0.0.4