* Add in-tree docs
* Add build dependencies to RTD build
* Also install newer pip
* Install angrdb and pcode when building docs
* Sync ci docs with rtd config
* Use pipe for multiline string
* Fix typo
* Replace copyright with project_copyright
* Ignore type aliases in sphinx coverage
* Add links to plugin documentation
* Use coverage_ignore_pyobjects to ignore aliases
* Attribute copyright to contributors
