refactor: move library into it's own crate

src/main.rs

@@ -1,65 +0,0 @@
-use clap::{CommandFactory, Parser};
-use figment::{
-    providers::{Env, Serialized},
-    Figment,
-};
-use readwise_bulk_upload::config::{Command, Config};
-use readwise_bulk_upload::readwise::DocumentPayload;
-use readwise_bulk_upload::task_manager::{TaskManager, TaskStatus};
-use readwise_bulk_upload::{Error, Result};
-use std::fs::File;
-use tabled::Table;
-use tracing_subscriber;
-
-#[tokio::main]
-async fn main() -> Result<()> {
-    let cli = Config::parse();
-    let args: Config = Figment::new()
-        .merge(Serialized::defaults(&cli))
-        .merge(Env::prefixed("APP_"))
-        .extract()?;
-
-    tracing_subscriber::fmt()
-        .with_max_level(args.log_level())
-        .init();
-
-    run(&cli.command).await?;
-
-    Ok(())
-}
-
-async fn run(command: &Command) -> Result<()> {
-    let task_manager = TaskManager::new().await?;
-    match command {
-        Command::LoadTasks { path } => {
-            let file = File::open(path).map_err(|_| {
-                Error::Runtime(format!(
-                    r#"The file "{}" could not be open"#,
-                    path.display()
-                ))
-            })?;
-
-            let documents: Vec<DocumentPayload> = serde_json::from_reader(file)?;
-
-
-            task_manager.load_tasks(documents).await?;
-        }
-        Command::Query => {
-            let tasks = task_manager.get_tasks::<DocumentPayload>(None, Some(25)).await?;
-
-            println!("{}", Table::new(tasks));
-        }
-        Command::Run => {
-            task_manager.run_tasks::<DocumentPayload>(|task| {
-                println!("{}", task.get_key());
-                
-                TaskStatus::Completed
-            }).await?;
-        }
-        Command::None => {
-            Config::command().print_help()?;
-        }
-    }
-
-    Ok(())
-}