refactor: Remove requirement of explicit application_id

ExampleBotConfig.toml

@@ -3,7 +3,6 @@
 ## Do not commit in git.
 
 [discord]
-application_id = 12345678901234567890
 bot_token = "QWERTYUIOP.ASDFGHJKL.123456789"
 
 # optional, uncomment block to use.

README.md

@@ -28,11 +28,9 @@ You wanna contribute!? That sounds awesome! Thank you for taking the step to con
 
 - If you don't have `./BotConfig.toml` file, create it by copying [./ExampleBotConfig.toml](./ExampleBotConfig.toml). So, you could run: `cp ExampleBotConfig.toml BotConfig.toml`
 
-- Update/fill-up `./BotConfig.toml` with:
-  - The token from your 🧩 `Bot` page on discord dev portal. You might need to reset it to see.
+- Update/fill-up `./BotConfig.toml` with the token from your 🧩 `Bot` page on discord dev portal. You might need to reset it to see.
     ![bot token](https://user-images.githubusercontent.com/39482679/232367937-8767dbb4-d11e-4de0-ba6a-d8dbdd01c422.png)
 
-  - The **Application ID** from the `General Information` section in your left sidebar
 - To persist the config changes accross development Gitpod workspaces:
 
 ```bash

src/config.rs

@@ -24,7 +24,7 @@ pub struct GithubConfig {
 
 #[derive(Debug, Deserialize)]
 pub struct DiscordConfig {
-    pub application_id: u64,
+    // pub application_id: u64,
     pub bot_token: String,
     pub channels: Option<DiscordChannels>,
 }

src/main.rs

@@ -134,7 +134,7 @@ async fn main() -> Result<()> {
     // .group(&OWNER_GROUP)
 
     let mut client = Client::builder(&config.discord.bot_token, GatewayIntents::default())
-        .application_id(config.discord.application_id)
+        // .application_id(config.discord.application_id)
         .event_handler(event::Listener {
             is_loop_running: AtomicBool::new(false),
         })