add sleep for checking render success, add readme

cmd/cli/cli.go

@@ -14,6 +14,7 @@ import (
 	"os"
 	"path"
 	"strings"
+	"time"
 )
 
 func main() {
@@ -265,6 +266,7 @@ func job(id, outputLocation string) error {
 			fmt.Println("Video has completed rendering.")
 			break
 		}
+		time.Sleep(5 * time.Second)
 	}
 
 	// decode the video, it is in base64 and is expected to be a mp4

readme.md

@@ -0,0 +1,21 @@
+# i2v (Image to Video)
+
+I2V is a tool for converting a still image into a video. It uses the Stability.ai API to generate a video from a single image.
+
+You can find the API documentation here: https://platform.stability.ai/docs/api-reference#tag/v2alphageneration/paths/~1v2alpha~1generation~1image-to-video/post
+
+## Usage
+
+To build the binary run:
+
+```bash
+go build -o i2v i2v/cmd/cli
+```
+
+To run the binary:
+
+Set the `STABILITY_API_KEY` environment variable to your API key.
+
+```bash
+./i2v -o <path to output video> <path to input image>
+```