build: add codeowners, pr reviews (#175)

Author: cdcabrera

.github/CODEOWNERS

@@ -0,0 +1,12 @@
+# Each line is a file pattern followed by one or more owners.
+# Order is important. Last matching pattern has the most
+# precedence
+
+# Default owner(s) for everything. Added to PR reviews
+* @cdcabrera
+
+# CODEOWNERS permissions
+/.github/CODEOWNERS @cdcabrera
+
+# Automated dependency updates
+package*.json @cdcabrera