group config files refactored to groups.d and subfolders, WIP common config file

src/main.rs

@@ -36,7 +36,7 @@ async fn main() -> anyhow::Result<()> {
                 .short("c")
                 .long("config")
                 .takes_value(true)
-                .help("set custom storage file, defaults to groups.json"),
+                .help("set custom config directory, defaults to groups.d"),
         )
         .arg(
             Arg::with_name("auth")
@@ -75,9 +75,8 @@ async fn main() -> anyhow::Result<()> {
         .filter_module("reqwest", LevelFilter::Warn)
         .init();
 
-    let store = store::ConfigStore::new(StoreOptions {
-        store_path: args.value_of("config").unwrap_or("groups.json").to_string(),
-        save_pretty: true,
+    let store = store::ConfigStore::load_from_fs(StoreOptions {
+        store_dir: args.value_of("config").unwrap_or(".").to_string(),
     })
     .await?;
 
@@ -112,7 +111,7 @@ async fn main() -> anyhow::Result<()> {
     }
 
     // Start
-    let groups = store.spawn_groups().await;
+    let groups = store.spawn_groups().await?;
 
     let mut handles = vec![];
     for mut g in groups {