Use sha hashes instead of primary key

src/cli.rs

 
     match create_snippet(snippet, &config) {
         Ok(resp) => match resp {
-            ApiResult::IncomingSnippet { id, .. } => println!("{}/snippets/{}", url, id),
+            ApiResult::IncomingSnippet { uuid, .. } => println!("{}/snippets/{}", url, uuid),
             ApiResult::IncomingError { message } => println!("error: {}", message),
         },
         Err(err) => println!("{}", err),

src/client.rs

         id: i32,
         title: String,
         body: String,
+        uuid: String,
         created_at: NaiveDateTime,
     },
     IncomingError {