Add all files needed to bring up VM and run agaric.com locally

box/provisioning/roles/geerlingguy.composer/defaults/main.yml

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+---
+composer_path: /usr/local/bin/composer
+composer_keep_updated: false
+composer_version: ''
+
+# The directory where global packages will be installed.
+composer_home_path: '~/.composer'
+composer_home_owner: root
+composer_home_group: root
+
+# A list of packages to install globally. See commented examples below for
+# usage; the 'release' is optional, and defaults to '@stable'.
+composer_global_packages: []
+  # - { name: phpunit/phpunit, release: "4.7.x" }
+  # - { name: phpunit/phpunit, release: "@stable" }
+
+composer_add_to_path: true
+
+# Add a project vendor/bin directory to the PATH
+composer_add_project_to_path: false
+#composer_project_path: /path/to/project/vendor/bin
+
+# GitHub OAuth token (used to help overcome API rate limits).
+composer_github_oauth_token: ''