Collections & download stability, UI (#130)

* feat: different local path in dev #73

* feat: better error output for downloads

* feat: collections in library view

* feat: improve download manager reliability

* feat: new download UI, more stable downloads

* fix: clippy

* fix: only show admin link if user is admin

* feat: check for libs before building

build.mjs

@@ -21,6 +21,13 @@ async function spawn(exec, opts) {
   });
 }
 
+const expectedLibs = ["drop-base/package.json"];
+
+for (const lib of expectedLibs) {
+  const path = `./libs/${lib}`;
+  if (!fs.existsSync(path)) throw `Missing "${expectedLibs}". Run "git submodule update --init --recursive"`;
+}
+
 const views = fs.readdirSync(".").filter((view) => {
   const expectedPath = `./${view}/package.json`;
   return fs.existsSync(expectedPath);