Add MAINTAINERS.md and CODEOWNERS (#2)

Signed-off-by: Alexander Shenshin <alexander.shenshin@dsr-corporation.com>

CODEOWNERS

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+* @openwallet-foundation-labs/eudi-wallet-kit-react-native-maintainers
+* @AlexanderShenshin

MAINTAINERS.md

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+## Active Maintainers
+
+| Maintainer         | GitHub ID         | LFID               | Email                                  | Chat ID | Company Affiliation | Scope      |
+|--------------------|-------------------|--------------------|----------------------------------------|---------|---------------------|------------|
+| Alexander Shenshin | AlexanderShenshin | alexander.shenshin | alexander.shenshin@dsr-corporation.com |         | DSR Corporation     | repository |
+
+## What Does Being a Maintainer Entail
+
+- Reviewing code contributions.
+- Managing issues and bugs.
+- Maintaining documentation.
+- Communicating with the community.
+- Managing version control.
+- Participating in project decisions.
+- Building and sustaining a contributor community.
+
+## How to Become a Maintainer
+
+Before being considered as a maintainer, contributors should meet the following requirements:
+
+- A history of substantial and consistent contributions to the project.
+- A deep understanding of the project's goals, codebase, and best practices.
+- Active involvement in the community, including helping others and engaging in discussions.
+- Ultimately, the maintainers decide who will become the new maintainer through a majority vote.
+
+## How Maintainers are Removed or Moved to Emeritus Status
+
+- Inactivity or consensus decision can lead to removal.