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/cmute.rs

@@ -0,0 +1,23 @@
+use crate::commands::moderation_tools;
+use serenity::model::prelude::*;
+use serenity::prelude::*;
+pub async fn handle_cmute(ctx: &Context, msg: &Message, args: &[&str]) {
+    moderation_tools::handle_cmute(ctx, msg, args, false).await;
+}
+pub struct CmuteCommand;
+pub static COMMAND_DESCRIPTOR: CmuteCommand = CmuteCommand;
+impl crate::commands::command_contract::CommandSpec for CmuteCommand {
+    fn metadata(&self) -> crate::commands::command_contract::CommandMetadata {
+        crate::commands::command_contract::CommandMetadata {
+            key: "cmute",
+            command: "cmute",
+            category: "admin",
+            params: "<@membre/ID[,..]> [raison]",
+            summary: "Mute salon",
+            description: "Mute un membre sur le salon courant.",
+            examples: &["+cmute @User"],
+            alias_source_key: "cmute",
+            default_aliases: &["cm"],
+        }
+    }
+}