refactor: rename aim to upm and extract appimage module

crates/upm-core/src/adapters/mod.rs

@@ -0,0 +1,19 @@
+pub mod direct_url;
+pub mod github;
+pub mod gitlab;
+pub mod sourceforge;
+pub mod test_support;
+pub mod traits;
+pub mod zsync;
+
+use crate::adapters::traits::SourceAdapter;
+use crate::domain::source::SourceRef;
+
+pub fn all_adapter_kinds() -> Vec<&'static str> {
+    vec!["github", "gitlab", "direct-url", "zsync", "sourceforge"]
+}
+
+pub fn supports_source<A: SourceAdapter + ?Sized>(adapter: &A, source: &SourceRef) -> bool {
+    adapter.repository_source_kind() == Some(source.kind)
+        || adapter.exact_source_kind() == Some(source.kind)
+}