Refactor dependencies to reduce code base size (#111)

Use crates to reduce code base size :

* `actix-remote-ip` to safely determine user IP location
* `light-openid` for the OpenID primitives & as client to handle federation

Reviewed-on: #111

src/data/webauthn_manager.rs

@@ -3,6 +3,7 @@ use std::sync::Arc;
 
 use actix_web::web;
 use bincode::{Decode, Encode};
+use light_openid::crypto_wrapper::CryptoWrapper;
 use uuid::Uuid;
 use webauthn_rs::prelude::{
     CreationChallengeResponse, Passkey, PublicKeyCredential, RegisterPublicKeyCredential,
@@ -14,7 +15,6 @@ use crate::constants::{
     APP_NAME, WEBAUTHN_LOGIN_CHALLENGE_EXPIRE, WEBAUTHN_REGISTER_CHALLENGE_EXPIRE,
 };
 use crate::data::app_config::AppConfig;
-use crate::data::crypto_wrapper::CryptoWrapper;
 use crate::data::user::{User, UserID};
 use crate::utils::err::Res;
 use crate::utils::time::time;