Add README (#56)

Signed-off-by: Gray Campbell <12163070+graycampbell@users.noreply.github.com>

Author: graycampbell

README.md

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+# SwiftSyntaxSugar
+
+[![ci](https://github.com/fetch-rewards/SwiftSyntaxSugar/actions/workflows/ci.yml/badge.svg)](https://github.com/fetch-rewards/SwiftSyntaxSugar/actions/workflows/ci.yml?query=branch%3Amain)
+[![codecov](https://codecov.io/gh/fetch-rewards/SwiftSyntaxSugar/graph/badge.svg?token=gTqOi09vx5)](https://codecov.io/gh/fetch-rewards/SwiftSyntaxSugar)
+[![License](https://img.shields.io/badge/license-MIT-lightgrey.svg)](https://github.com/fetch-rewards/SwiftSyntaxSugar/blob/feature/readme/LICENSE)
+
+`SwiftSyntaxSugar` is a library that provides syntactic sugar and helpful extensions for [`SwiftSyntax`](https://github.com/swiftlang/swift-syntax). 
+The purpose of this library is to improve the readability and maintainability of code written using `SwiftSyntax`.
+
+- [Example](#example)
+- [Installation](#installation)
+- [Usage](#usage)
+- [Contributing](#contributing)
+- [License](#license)
+
+## Example
+
+<table>
+<tr>
+<td> With <code>SwiftSyntaxSugar</code> </td>
+<td> Without <code>SwiftSyntaxSugar</code> </td> 
+</tr>
+<tr>
+<td>
+  
+```swift
+protocolDeclaration.isActorConstrained    
+```
+
+</td>
+<td>
+  
+```swift
+let isProtocolActorConstrained = protocolDeclaration.inheritanceClause?.inheritedTypes.contains { inheritedType in    
+    let identifierType = inheritedType.type.as(IdentifierTypeSyntax.self)
+    return identifierType.name.tokenKind == .identifier("Actor")
+} ?? false
+```
+
+</td>
+</tr>
+</table>
+
+## Installation
+
+To add `SwiftSyntaxSugar` to a Swift package manifest file:
+- Add the `SwiftSyntaxSugar` package to your package's `dependencies`:
+  ```swift
+  .package(
+      url: "https://github.com/fetch-rewards/SwiftSyntaxSugar.git",
+      from: "<#latest SwiftSyntaxSugar tag#>"
+  )
+  ```
+- Add the `SwiftSyntaxSugar` product to your target's `dependencies`:
+  ```swift
+  .product(name: "SwiftSyntaxSugar", package: "SwiftSyntaxSugar")
+  ```
+
+## Usage
+
+- Import `SwiftSyntaxSugar`:
+  ```swift
+  import SwiftSyntaxSugar
+  ```
+- Use `SwiftSyntax` exactly how you normally would!
+
+## Contributing
+
+The simplest way to contribute to this project is by [opening an issue](https://github.com/fetch-rewards/SwiftSyntaxSugar/issues/new).
+
+If you would like to contribute code to this project, please read our [Contributing Guidelines](https://github.com/fetch-rewards/SwiftSyntaxSugar/blob/main/CONTRIBUTING.md).
+
+By opening an issue or contributing code to this project, you agree to follow our [Code of Conduct](https://github.com/fetch-rewards/SwiftSyntaxSugar/blob/main/CODE_OF_CONDUCT.md).
+
+## License
+
+This library is released under the MIT license. See [LICENSE](https://github.com/fetch-rewards/SwiftSyntaxSugar/blob/main/LICENSE) for details.