docs: add readme

internal/server/router.go

@@ -24,15 +24,14 @@ func healthHandler(c *gin.Context) {
 
 	fmt.Println(data.SyncComplete)
 	if !allOk {
+		// choose a better status code if available
 		c.JSON(http.StatusExpectationFailed, gin.H{
-			"ok":      false,
 			"message": "could not get node health status",
 		})
 		return
 	}
 
 	c.JSON(http.StatusOK, gin.H{
-		"ok":           true,
 		"syncComplete": data.SyncComplete,
 		"chainName":    data.ChainName,
 	})