doc: add initial version of values and prios doc

VALUES_AND_PRIORITIZAION.md

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+# Values and Priorities
+
+> Document Status: Proposal, Work In Progress
+
+## Context
+
+Define the `Technical` values shared by the project and their relatively priority
+that are applied when making tradeoffs.
+
+
+## Values and priority level
+
+This is only a subset of the overall prioties, listing only those which are at the
+top of the priority list. Anything on this list is very important for the project
+despite the relative priorities shown.
+
+- Prio 1 - Developer experience
+- Prio 2 - Stability
+- Prio 3 - Operational qualities
+- Prio 4 - Node.js maintainer experience
+- Prio 5 - Technology and API Currency
+
+## Value descriptions
+
+### Developer Experience
+We value ensuring that developers are productive and enjoy developing with Node.js. Some key elements of this include:
+  - Approach-ability (both technical and community)
+  - Great Documentation 
+  - Bundling API/components which reduce the friction of using them, even though they could be external
+  - Enabling/supporting external packages to ensure overall developer experience
+
+### Stability
+We value keeping Node.js stable and consistent across releases versus introducing breaking changes that require churn in the ecosystem. Some key elements of this include:
+  - Backwards compatibility
+  - Predictable and stable releases
+  - A strong safety net (testing etc.) 
+  - Careful consideration of what goes into LTS releases 
+
+### Operational Qualities
+We value keeping Node.js safe, performant and light weight as well as the ability to investigate and debug problems in development and production. Some key elements of this include: 
+ - throughput(speed)
+ - startup time
+ - binary size
+ - memory footprint
+ - Debug tooling (debugger)
+- Diagnostic tooling (profilers, heapdumps, coredumps, etc.)
+
+### Node.js maintainer experience
+We value ensuring that Node.js maintainers are productive and enjoy maintaining Node.js and related components. Some key elements of this include:
+- Approach-ability of the code base
+- Good internal documentation and guides
+- Low friction policies and processes
+- Good CI and tooling to make maintainers productive
+
+### Technology and API currency
+We value providing developers with modern APIs and technologies following existing standards whenever possible.  Some key elements of this include:
+  - participating in standards work and organizations
+  - web API compatibility
+  - supporting new technologies and standards and exposing them early in their life-cycle 
+
+## References
+
+[First pass at list of values](https://github.com/nodejs/next-10/issues/5)
+[Original priorities brainstorm document](https://docs.google.com/document/d/1sbO_zCn9n_JH2zuGtqNAahUhA_mGFA89DdAme8nEdsw)