feat: config crate with legacy env names

crates/config/src/lib.rs

@@ -0,0 +1,28 @@
+mod app_config;
+mod auth_config;
+mod database_config;
+mod errors;
+mod events_config;
+mod federation_config;
+mod image_conversion_config;
+mod lenient;
+mod loader;
+mod metadata_config;
+mod nats_config;
+mod server_config;
+mod storage_config;
+mod wrapup_config;
+
+pub use app_config::AppConfig;
+pub use auth_config::AuthConfig;
+pub use database_config::DatabaseConfig;
+pub use errors::ConfigError;
+pub use events_config::EventsConfig;
+pub use federation_config::FederationConfig;
+pub use image_conversion_config::ImageConversionConfig;
+pub use loader::load;
+pub use metadata_config::MetadataConfig;
+pub use nats_config::NatsConfig;
+pub use server_config::ServerConfig;
+pub use storage_config::StorageConfig;
+pub use wrapup_config::WrapUpConfig;