Solid and straightforward roadmap/vision

[moul]

• Draw the initial roadmap in this repo (@moul, @jaekwon).
• Use DepViz to maintain a visual roadmap automatically. (see #DepViz) section below.

Content

To ensure clarity of purpose without limiting our options, we must prioritize facts and establish a clear focus. At the same time, we should have visionary goals that enable people to envision the next steps.

DepViz

• Use a privileged token to generate an issues file, and maintain a dedicated branch for commits.
• Automate the process with CI to keep the file updated
• Commit various graphical output options to the repo for users to choose from.
• Create clickable DepViz output.
• Create DepViz bot for issue comments, updating with relationship table or image for easy project exploration.
• Extend DepViz config to main monorepo and sub-repositories.