Added Chronos to schedule tasks, restructured config as common pkg, updated server pkg

Makefile

@@ -13,8 +13,14 @@ push-image-dev:
 push-image-prod:
 	- sh ${DEPLOY_DIR}/image-push.sh
 
-build-local:
+build-local-server:
 	- go build -C ${SRC_DIR} -o ../deploy/server cmd/server/main.go
 
-run-local:
+run-local-server:
 	- cd deploy/ && ./server
+
+build-local-chronos:
+	- go build -C ${SRC_DIR} -o ../deploy/chronos cmd/chronos/main.go
+
+run-local-chronos:
+	- cd deploy/ && ./chronos