fix: create store dir if not exists

src/database/stores/fs/mod.rs

@@ -90,11 +90,12 @@ pub struct FsStore {
 impl FsStore {
     pub fn from_path<P: AsRef<Path>>(path: P) -> Result<FsStore> {
         let path = path.as_ref().to_path_buf().canonicalize()?;
+        let store_dir = path.join(UPEND_SUBDIR);
+        if !store_dir.exists() {
+            fs::create_dir(&store_dir)?;
+        }
         let manager = ConnectionManager::<SqliteConnection>::new(
-            path.join(UPEND_SUBDIR)
-                .join("upend_vault.sqlite3")
-                .to_str()
-                .unwrap(),
+            store_dir.join("upend_vault.sqlite3").to_str().unwrap(),
         );
         let pool = r2d2::Pool::builder()
             .connection_customizer(Box::new(ConnectionOptions {}))