Update droplet & other small features, and bump version for v0.3.3 (#212)

* fix: bump version and fix context timeout issues

* fix: bump droplet

* feat: add appimage auto-detection (#209)

server/internal/downloads/coordinator.ts

@@ -57,7 +57,7 @@ class DownloadContextManager {
   async cleanup() {
     for (const key of this.contexts.keys()) {
       const context = this.contexts.get(key)!;
-      if (context.timeout.getDate() + TIMEOUT < Date.now()) {
+      if (context.timeout.getTime() < Date.now() - TIMEOUT) {
         this.contexts.delete(key);
       }
     }

server/internal/library/index.ts

@@ -171,6 +171,8 @@ class LibraryManager {
         ".sh",
         // No extension is common for Linux binaries
         "",
+        // AppImages
+        ".appimage",
       ],
       Windows: [".exe", ".bat"],
       macOS: [