Create package "@eventespresso/config"

[alexkuc]

~Wait for PR #1298 to be merged~

Fix #1299

[alexkuc]

Local testing:

• linter… ✅
• build… ✅
• unit tests ✅
• e2e tests ✅

[alexkuc]

Current base for this branch is e9c8b99

[alexkuc]

Rebased and force-pushed due to merging of #1298 into trunk

[alexkuc]

Current local commit sha is 3846093. Going to test it:

• reinstall node_modules ✅
• linter ✅
• build ✅
• unit tests ✅
• e2e tests ✅

[alexkuc]

Re-tested with commit sha 49162e8 locally:

• linter ✅
• builder ✅
• unit tests ✅
• e2e tests ✅