Create CONTRIBUTING.md (#27)

* Create CONTRIBUTING.md

Add a `CONTRIBUTING.md` file

* Adding feedback

- Removing Code of Conduct
- Removing Build references
- Fixed Testing section
- Added Linitng section
- Added Fixed section

CONTRIBUTING.md

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+# Contributing to hypersdk
+
+Thank you for your interest in contributing to `hypersdk`! By contributing to hypersdk, you are helping to build the foundation for the next generation of blockchains and decentralized applications.
+
+## Getting Started
+
+### Prerequisites
+
+To contribute to `hypersdk`, you'll need:
+
+- [Go](https://golang.org/dl/) 1.19 or higher
+
+### Setting up your development environment
+
+1. Clone the repository:
+
+```bash
+git clone https://github.com/ava-labs/hypersdk.git
+cd hypersdk
+```
+
+2. Install the dependencies:
+
+```go
+go mod download
+```
+
+This will download and install all required dependencies for the project.
+
+## Building and running tests
+
+To build and run tests for the hypersdk, simply run:
+
+```go
+./scripts/tests.unit.sh
+```
+
+This will build and run all tests for the project.
+
+## Running linters
+
+To run the linters, simply run:
+
+```go
+./scripts/tests.lint.sh
+```
+
+This will run the linters on all code in the project.
+
+The `hypersdk` project also has a fixer that tries to help. To run the fixer, simply run:
+
+```go
+./scripts/fix.lint.sh
+```
+
+## Contributing
+
+We welcome contributions to hypersdk! To contribute, please follow these steps:
+
+1. Fork the repository and create a new branch for your contribution.
+
+2. Make your changes and ensure that all tests pass and linting is clean.
+
+3. Write tests for any new features or bug fixes. (If necessary)
+
+4. Submit a pull request with your changes.
+
+## Pull Request Guidelines
+
+When submitting a pull request, please ensure that:
+
+1. Your code is formatted using `go fmt`.
+
+2. Your code is properly tested.
+
+3. Your code passes all linters.
+
+4. Your pull request description explains the problem and solution clearly.