Update README.md

Author: KSemenenko

README.md

@@ -1,8 +1,92 @@
 # OpenAI
+This is an unofficial C# library for the OpenAI API. As there are no official libraries available, we have created our own to help C# developers interact with the API easily.
 
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+
+
+## Installation
+
+TBD (Add installation instructions here)
+
+## Usage
+
+Initializing the client
+You can initialize the client in two ways:
+``` cs
+var client1 = GptClient.Builder("#API_KEY#")
+    .WithOrganization("#ORGANIZATION#")
+    .Build();
+```
+
+```cs
+var client2 = GptClient.Builder("#API_KEY#")
+    .WithOrganization("#ORGANIZATION#")
+    .Configure(x => x.SetDefaultModel(GptModel.Ada))
+    .Build();
+```
+
+## Generating an image URL
+```cs
+var client = new GptClient("#API_KEY#");
+var img = await client.ImageClient
+    .GenerateImage("Big man")
+    .AsUrl().ExecuteAsync();
+```
+```cs
+var url = img.Content;
+Console.WriteLine(url);
+Generating an image URL with editing
+csharp
+Copy code
+var client = new GptClient("#API_KEY#");
+var imgBytes = new byte[] { };
+var maskBase64 = "#CONTENT#";
+
+var img = await client.ImageClient
+    .EditImage("Change color to red", x => x.FromBytes(imgBytes))
+    .SetImageMask(x => x.FromBase64(maskBase64))
+    .AsUrl().ExecuteAsync();
+```
+
+```cs
+// Edited img URL
+Console.WriteLine(img.Content);
+Editing an image using a mask
+csharp
+Copy code
+var client = new GptClient("#API_KEY#");
+var imgBytes = new byte[] { };
+var imgCollection = await client.ImageClient
+    .VariationImage(x => x.FromBytes(imgBytes))
+    .AsBase64String()
+    .ExecuteMultipleAsync(5);
+
+foreach (var imageBase64 in imgCollection.Content)
+    Console.WriteLine(imageBase64);
+```    
+## Generating multiple image variations as base64 strings
+Create multiple variations of an image in base64 string format with 5 results:
+
+```cs
+var client = new GptClient("#API_KEY#");
+var imgBytes = new byte[] { };
+var imgCollection = await client.ImageClient
+    .VariationImage(x => x.FromBytes(imgBytes))
+    .AsBase64String()
+    .ExecuteMultipleAsync(5);
+
+foreach (var imageBase64 in imgCollection.Content)
+    Console.WriteLine(imageBase64);
+```
+
+## Contributing
+We welcome contributions to this project. Please submit a pull request or create an issue if you'd like to help improve this library.
+
+License
+
+TBD (Add license information here)