feat: Migrate to Apache opendal

cli/src/manifest.rs

@@ -1,7 +1,40 @@
-use std::path::Path;
+use std::{collections::HashMap, path::Path};
 
 use droplet_rs::manifest::{Manifest, generate_manifest_rusty};
 use indicatif::{ProgressBar, ProgressStyle};
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize)]
+pub struct DepotManifest {
+    content: HashMap<String, DepotManifestGameData>,
+}
+#[derive(Serialize, Deserialize)]
+struct DepotManifestGameData {
+    version_id: String,
+    compression: CompressionOption,
+}
+#[derive(Serialize, Deserialize)]
+pub enum CompressionOption {
+    None,
+    Gzip,
+    Zstd,
+}
+impl DepotManifest {
+    pub fn new() -> Self {
+        Self {
+            content: HashMap::new(),
+        }
+    }
+    pub fn add(&mut self, game_id: String, version_id: String, compression: CompressionOption) {
+        self.content.insert(
+            game_id,
+            DepotManifestGameData {
+                version_id,
+                compression,
+            },
+        );
+    }
+}
 
 pub async fn generate_manifest(dir: &Path) -> anyhow::Result<Manifest> {
     let progress_bar = ProgressBar::new(100_00).with_style(