chore(*): Initial setup of CODEOWNERS file (for automatic review assignments) (#98)

Author: Salakar

.github/CODEOWNERS

@@ -0,0 +1,12 @@
+# All documentation changes, e.g. changelogs & readmes.
+*.md             @rachelsaunders
+
+# Dependencies, package.json and mono-repo files
+package.json     @Salakar @Ehesp
+*/package.json   @Salakar @Ehesp
+lerna.json       @Salakar @Ehesp
+
+# Tests
+jest.config.js    @Salakar @Ehesp
+*/jest.config.js  @Salakar @Ehesp
+__tests__/*      @Salakar @Ehesp