RFC: Create an RFC Process

docs/rfcs/0000-template.md

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+- Feature Name: (fill me in with a unique ident, `my_awesome_feature`)
+- Start Date: (fill me in with today's date, YYYY-MM-DD)
+
+# Summary
+[summary]: #summary
+
+One paragraph explanation of the feature.
+
+# Motivation
+[motivation]: #motivation
+
+Why are we doing this? What use cases does it support?
+
+# Guide-level explanation
+[guide-level-explanation]: #guide-level-explanation
+
+Explain the proposal as if it was already included in the language and you were teaching it to another Bevy user. That generally means:
+
+- Introducing new named concepts.
+- Explaining the feature, largely in terms of examples grounded in simple and common game constructs.
+- Explaining how Bevy users should *think* about the feature, and how it should impact the way they use Bevy. It should explain the impact as concretely as possible.
+- If applicable, provide sample error messages, deprecation warnings, or migration guidance.
+
+
+# Reference-level explanation
+[reference-level-explanation]: #reference-level-explanation
+
+This is the technical portion of the RFC. Explain the design in sufficient detail that:
+
+- Its interaction with other features is clear.
+- It is reasonably clear how the feature would be implemented.
+- Corner cases are dissected by example.
+
+The section should return to the examples given in the previous section, and explain more fully how the detailed proposal makes those examples work.
+
+# Drawbacks
+[drawbacks]: #drawbacks
+
+Why should we *not* do this?
+
+# Rationale and alternatives
+[rationale-and-alternatives]: #rationale-and-alternatives
+
+- Why is this design the best in the space of possible designs?
+- What other designs have been considered and what is the rationale for not choosing them?
+- What is the impact of not doing this?
+
+# Prior art
+[prior-art]: #prior-art
+
+Discuss prior art, both the good and the bad, in relation to this proposal.
+A few examples of what this can include are:
+
+- For language, library, cargo, tools, and compiler proposals: Does this feature exist in other programming languages and what experience have their community had?
+- For community proposals: Is this done by some other community and what were their experiences with it?
+- For other teams: What lessons can we learn from what other communities have done here?
+- Papers: Are there any published papers or great posts that discuss this? If you have some relevant papers to refer to, this can serve as a more detailed theoretical background.
+
+This section is intended to encourage you as an author to think about the lessons from other languages, provide readers of your RFC with a fuller picture.
+If there is no prior art, that is fine - your ideas are interesting to us whether they are brand new or if it is an adaptation from other languages.
+
+Note that while precedent set by other languages is some motivation, it does not on its own motivate an RFC.
+Please also take into consideration that rust sometimes intentionally diverges from common language features.
+
+# Unresolved questions
+[unresolved-questions]: #unresolved-questions
+
+- What parts of the design do you expect to resolve through the RFC process before this gets merged?
+- What parts of the design do you expect to resolve through the implementation of this feature before the feature PR is merged?
+- What related issues do you consider out of scope for this RFC that could be addressed in the future independently of the solution that comes out of this RFC?
+
+# Future possibilities
+[future-possibilities]: #future-possibilities
+
+Think about what the natural extension and evolution of your proposal would
+be and how it would affect the language and project as a whole in a holistic
+way. Try to use this section as a tool to more fully consider all possible
+interactions with the project and language in your proposal.
+Also consider how this all fits into the roadmap for the project
+and of the relevant sub-team.
+
+This is also a good place to "dump ideas", if they are out of scope for the
+RFC you are writing but otherwise related.
+
+If you have tried and cannot think of any future possibilities,
+you may simply state that you cannot think of anything.
+
+Note that having something written down in the future-possibilities section
+is not a reason to accept the current or a future RFC; such notes should be
+in the section on motivation or rationale in this or subsequent RFCs.
+The section merely provides additional information.