feat(events): add message update, role, and voice state update handlers

- Implemented `handle_message_update` to log message edits.
- Created role event handlers for role creation, update, and deletion.
- Added voice state update handling to log channel changes.
- Introduced a new `ready_event` handler to restore bot presence and enforce blacklist.
- Updated `mod.rs` to include new event modules.
- Enhanced `main.rs` for database connection and initialization.
- Added comprehensive permission management in `permissions.rs`.

src/commands/join.rs

@@ -0,0 +1,29 @@
+use crate::commands::logs_service;
+use serenity::model::prelude::*;
+use serenity::prelude::*;
+
+pub async fn handle_join(ctx: &Context, msg: &Message, args: &[&str]) {
+    logs_service::handle_join_leave_settings(ctx, msg, args, "join").await;
+}
+
+pub struct JoinCommand;
+pub static COMMAND_DESCRIPTOR: JoinCommand = JoinCommand;
+
+impl crate::commands::command_contract::CommandSpec for JoinCommand {
+    fn metadata(&self) -> crate::commands::command_contract::CommandMetadata {
+        crate::commands::command_contract::CommandMetadata {
+            key: "join",
+            command: "join",
+            category: "admin",
+            params: "settings [on/off] [salon] [message]",
+            summary: "Parametre les actions de join",
+            description: "Permet de configurer les actions quand un membre rejoint.",
+            examples: &[
+                "+join settings",
+                "+join settings on #welcome Bienvenue {user}",
+            ],
+            alias_source_key: "join",
+            default_aliases: &["jset"],
+        }
+    }
+}