feat: add XMP writer plugin and enhance media upload configuration

libertas_core/src/config.rs

@@ -1,7 +1,5 @@
 use serde::Deserialize;
 
-use crate::error::CoreResult;
-
 #[derive(Deserialize, Clone)]
 pub enum DatabaseType {
     Postgres,
@@ -21,17 +19,5 @@ pub struct Config {
     pub jwt_secret: String,
     pub media_library_path: String,
     pub broker_url: String,
-}
-
-pub fn load_config() -> CoreResult<Config> {
-    Ok(Config {
-        database: DatabaseConfig {
-            db_type: DatabaseType::Postgres,
-            url: "postgres://postgres:postgres@localhost:5432/libertas_db".to_string(),
-        },
-        server_address: "127.0.0.1:8080".to_string(),
-        jwt_secret: "super_secret_jwt_key".to_string(),
-        media_library_path: "media_library".to_string(),
-        broker_url: "amqp://guest:guest@localhost:5672/".to_string(),
-    })
+    pub max_upload_size_mb: Option<u32>,
 }