* docs: restructuring & introduction of mkdocs with versioning provided by mike
* docs: ad repositories section to sophia examples
* docs: refactoring and consistent naming of æternity
* docs: hint for new file destination
* docs: revert capital letter
* docs: accept proposed changes
* docs: fix anchors in stdlib
Add an include directive to include namespaces into a contract. Only allowed at the top level.
To allow includes, either call through aeso_compiler:file or set the option `allow_include` (and add `include_path`(s)).
