fix: Move enhancements to the docs folder

Signed-off-by: m.nabokikh <maksim.nabokikh@flant.com>

docs/enhancements/_title-YYYY-MM-DD-#issue.md

@@ -0,0 +1,62 @@
+# Dex Enhancement Proposal (DEP) <issue#> - <YYYY-MM-DD> - <title>
+
+## Table of Contents
+
+- [Summary](#summary)
+- [Motivation](#motivation)
+    - [Goals/Pain](#goals)
+    - [Non-Goals](#non-goals)
+- [Proposal](#proposal)
+    - [User Experience](#user-experience)
+    - [Implementation Details/Notes/Constraints](#implementation-detailsnotesconstraints)
+    - [Risks and Mitigations](#risks-and-mitigations)
+    - [Alternatives](#alternatives)
+- [Future Improvements](#future-improvements)
+
+## Summary
+
+- Provide a one-paragraph description of the expected change here.
+
+## Context
+
+- Link to any previous issues, RFCs, discussions, or briefs.
+- Link to any ongoing or future work relevant to this change.
+
+## Motivation
+
+### Goals/Pain
+
+- List work that is assumed to be done in the scope of this enhancement.
+- Mention problems solve by this enhancement.
+
+### Non-goals
+
+- List work that is entirely out of the scope of this enhancement. Use this to define DEP borders to keep work focused.
+- All planned future enhancements should be listed in one of the following blocks - Future Improvements.
+
+## Proposal
+
+### User Experience
+
+- Explain your change as if you were describing it to end-users.
+- Explain the way users are supposed to use Dex with the proposed enhancement.
+
+### Implementation Details/Notes/Constraints
+
+- Explain your change as if you were at a development team meeting (give more technical and implementation details).
+- When possible, demonstrate with pseudo-code, not text.
+- Be specific. Be opinionated. Avoid ambiguity.
+
+### Risks and Mitigations
+
+- Mention all expected risks and migrations in detail here.
+- Do not forget to mention if the proposed enhancement is a breaking change.
+
+### Alternatives
+
+- What other approaches have been considered, and why did you not choose them?
+- What happens if this enhancement will never be accepted and implemented?
+
+## Future Improvements
+
+- List any future improvements.