Merge pull request #1902 from authzed/roadmap

ROADMAP: init

ROADMAP.md

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+# SpiceDB Roadmap
+
+This document provides direction for the contribution and discovery of functionality being built for SpiceDB.
+
+Because SpiceDB is a community project and has contributions beyond the core maintainers, this document does not attempt to dictate features an ordained timeline.
+Instead, this document outlines the project's development philosophy and gives readers the tools to discover on-going community efforts.
+
+## Proposal Process
+
+The development of SpiceDB follows a philosophy of identifying problems, proposing solutions, and reaching agreement across relevant stakeholders BEFORE any code is written.
+
+The complexity of the problem and proposal drive just how much planning work is done.
+Proposals loosely follow an [RFC-style] process where anyone in the community is free to represent their opinions and use cases.
+
+If you have any questions about this process, feel free [ask in our our Discord][discord].
+
+[RFC-style]: https://en.wikipedia.org/wiki/Request_for_Comments
+[discord]: https://discord.gg/spicedb
+
+### 🟣 Functionality not represented by proposals
+
+Not all contributions require in-depth proposals, but they do require consensus and an opportunity for opinions to be raised before development begins.
+The rest of this document does not track the development of this type of functionality, but only the larger initiatives.
+You can find this functionality being discussed and developed in less structured GitHub issues that are not labeled as proposal.
+
+You can find a running list of non-proposals [here](https://github.com/authzed/spicedb/issues?q=is%3Aopen+is%3Aissue+-label%3Akind%2Fproposal).
+
+### ⚪ Open Proposals
+
+Proposals can be opened by anyone at any time.
+
+Although there is no required format, a good proposal contains:
+
+- Problem statement including use cases
+- One or more proposed solutions
+- Open problems with the solution
+- Links to any related proposals or issues
+
+You can find a running list of open proposals [here](https://github.com/authzed/spicedb/issues?q=is%3Aopen+label%3A%22state%2Fneeds+discussion%22%2C%22state%2Fgauging+interest%22).
+
+### 🔵 Accepted Proposals
+
+Accepted proposals have reached consensus and are ready to have someone begin implementation.
+
+You can find a running list of accepted proposals [here](https://github.com/authzed/spicedb/issues?q=is%3Aopen+is%3Aissue+label%3Akind%2Fproposal+label%3A%22state%2Fimplementation+ready%22).
+
+### 🟢 Completed Proposals
+
+Completed proposals have been implemented in the past.
+
+You can find a running list of completed proposals [here](https://github.com/authzed/spicedb/issues?q=is%3Aissue+label%3Akind%2Fproposal+reason%3Acompleted).
+
+### 🔴 Rejected Proposals
+
+Rejected proposals have not reached consensus or have reached consensus not to be implemented.
+
+You can find a running list of rejected proposals [here](https://github.com/authzed/spicedb/issues?q=is%3Aissue+label%3A%22state%2Fwon%27t+fix%22+label%3Akind%2Fproposal).