feat: add booster eligibility role and logging functionality

- Added BOOSTER_ELIGIBILITY_ROLE_ID and LOG_LEVEL to .env.example and README.md
- Updated GitHub Actions workflow to include new environment variables
- Enhanced configuration loading to support booster eligibility role
- Implemented role checking logic in bot handlers and guild member updates
- Introduced logging using Winston for better traceability of actions
- Created tests for guild member update handling to ensure correct role removal
- Refactored DiscordRoleRepository to simplify role position resolution

src/index.ts

@@ -2,18 +2,22 @@ import { loadConfig } from "./config";
 import { attachBotHandlers } from "./discord/bot";
 import { createDiscordClient } from "./discord/client";
 import { registerGuildCommandsWithToken } from "./discord/registerCommands";
+import { logger } from "./logger";
 
 const config = loadConfig();
+logger.info("Registering guild commands", { guildId: config.discordGuildId });
 await registerGuildCommandsWithToken(config.discordToken, {
   clientId: config.discordClientId,
   guildId: config.discordGuildId
 });
+logger.info("Guild commands registered", { guildId: config.discordGuildId });
 
 const client = createDiscordClient();
 attachBotHandlers(client, config);
 
 client.once("clientReady", () => {
-  console.log(`Logged in as ${client.user?.tag ?? "unknown bot"}`);
+  logger.info("Discord client ready", { bot: client.user?.tag ?? "unknown bot" });
 });
 
+logger.info("Logging in Discord client");
 await client.login(config.discordToken);