Add some information of note for later scripts.

Mostly using bash filepath mangling and known values to build up
information used to find the proper locations of golang code in a
container.

docker/paths.sh

@@ -0,0 +1,9 @@
+#! /bin/bash
+
+# TODO(ashmrtnz): Needs adjusting based on where source code lands in the repo
+# and where the scripts land in the repo.
+REPO_ROOT=$(dirname $(pwd))
+REPO_CODE="${REPO_ROOT}/src"
+GOLANG_BASE_REPO_PATH="/go/src/github.com/alcionai"
+GOLANG_REPO_PATH="${GOLANG_BASE_REPO_PATH}/$(basename $REPO_ROOT)"
+DEV_TAG="alcionai/dev"