Restructure for testability and implement first tests

src/statics.rs

@@ -1,6 +1,3 @@
-use crate::{config::Settings, count::count_repositories};
-use std::sync::atomic::AtomicUsize;
-
 pub struct VersionInfo<'a> {
     pub commit: &'a str,
     pub version: &'a str,
@@ -15,7 +12,4 @@ pub(crate) const FAVICON: &[u8] = include_bytes!("../static/favicon32.png");
 
 lazy_static! {
     pub(crate) static ref CLIENT: reqwest::Client = reqwest::Client::new();
-    pub(crate) static ref OPT: Settings = Settings::new().unwrap();
-    pub(crate) static ref REPO_COUNT: AtomicUsize =
-        AtomicUsize::new(count_repositories(&OPT.repodir).unwrap());
 }