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/invite.rs

@@ -0,0 +1,84 @@
+use serenity::builder::CreateEmbed;
+use serenity::model::prelude::*;
+use serenity::prelude::*;
+
+use crate::commands::common::send_embed;
+use crate::commands::server::resolve_guild_target;
+
+pub async fn handle_invite(ctx: &Context, msg: &Message, args: &[&str]) {
+    if args.is_empty() {
+        let embed = CreateEmbed::new()
+            .title("Erreur")
+            .description("Usage: `+invite <ID/nombre>`")
+            .color(0xED4245);
+        send_embed(ctx, msg, embed).await;
+        return;
+    }
+
+    let Some(guild_id) = resolve_guild_target(ctx, args[0]).await else {
+        let embed = CreateEmbed::new()
+            .title("Erreur")
+            .description("Serveur introuvable.")
+            .color(0xED4245);
+        send_embed(ctx, msg, embed).await;
+        return;
+    };
+
+    let Ok(channels) = guild_id.channels(&ctx.http).await else {
+        let embed = CreateEmbed::new()
+            .title("Erreur")
+            .description("Impossible de lire les salons.")
+            .color(0xED4245);
+        send_embed(ctx, msg, embed).await;
+        return;
+    };
+
+    let mut invite_url = None;
+    for channel in channels.values() {
+        if matches!(channel.kind, ChannelType::Text | ChannelType::News) {
+            if let Ok(invite) = channel
+                .create_invite(
+                    &ctx.http,
+                    serenity::builder::CreateInvite::new().max_age(3600),
+                )
+                .await
+            {
+                invite_url = Some(invite.url());
+                break;
+            }
+        }
+    }
+
+    let Some(url) = invite_url else {
+        let embed = CreateEmbed::new()
+            .title("Erreur")
+            .description("Aucun salon éligible pour créer une invitation.")
+            .color(0xED4245);
+        send_embed(ctx, msg, embed).await;
+        return;
+    };
+
+    let embed = CreateEmbed::new()
+        .title("Invitation créée")
+        .description(url)
+        .color(0x57F287);
+    send_embed(ctx, msg, embed).await;
+}
+pub struct InviteCommand;
+pub static COMMAND_DESCRIPTOR: InviteCommand = InviteCommand;
+
+impl crate::commands::command_contract::CommandSpec for InviteCommand {
+    fn metadata(&self) -> crate::commands::command_contract::CommandMetadata {
+        crate::commands::command_contract::CommandMetadata {
+            key: "invite",
+            command: "invite",
+            category: "admin",
+            params: "<ID_serveur/index>",
+            summary: "Cree une invitation serveur",
+            description: "Cree une invitation temporaire sur un serveur cible accessible par le bot.",
+            examples: &["+invite", "+ie", "+help invite"],
+            alias_source_key: "invite",
+            default_aliases: &["ivt"],
+        }
+    }
+}