Installation guide has <tag> variable

[jgsuess]

curl -O https://raw.githubusercontent.com/oracle/macaron/<tag>/scripts/release_scripts/run_macaron.sh
chmod +x run_macaron.sh

in https://oracle.github.io/macaron/pages/installation.html#download
fails as <tag> is a variable.

[jgsuess]

needs to be:

export tag=v0.1.1 or export tag=latest

curl -O https://raw.githubusercontent.com/oracle/macaron/${tag}/scripts/release_scripts/run_macaron.sh
chmod +x run_macaron.sh