feat: remote taskfile improvements (cache/expiry) (#2176)

* feat: cache as node, RemoteNode and cache-first approach

* feat: cache expiry

* feat: pass ctx into reader methods instead of timeout

* docs: updated remote taskfiles experiment doc

* feat: use cache if download fails

cmd/tmp/main.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"time"
+)
+
+func main() {
+	ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond)
+	defer cancel()
+	if err := run(ctx); err != nil {
+		fmt.Println(ctx.Err())
+		fmt.Println(err)
+	}
+}
+
+func run(ctx context.Context) error {
+	req, err := http.NewRequest("GET", "https://taskfile.dev/schema.json", nil)
+	if err != nil {
+		fmt.Println(1)
+		return err
+	}
+
+	resp, err := http.DefaultClient.Do(req.WithContext(ctx))
+	if err != nil {
+		if ctx.Err() != nil {
+			fmt.Println(2)
+			return err
+		}
+		fmt.Println(3)
+		return err
+	}
+	defer resp.Body.Close()
+
+	return nil
+}