chore(lint): remove ESLint configuration file and update lint scripts

- Deleted the .eslintrc.cjs file to simplify configuration management.
- Updated lint scripts in package.json to remove unnecessary extensions for linting.
- Added new devDependencies for ESLint and globals to enhance linting capabilities.

src/stores/channels.ts

@@ -66,7 +66,7 @@ export const useChannelsStore = create<ChannelsState>((set, get) => ({
         }));
         return newChannel;
       }
-    } catch (error) {
+    } catch {
       // Create local channel if gateway unavailable
       const newChannel: Channel = {
         id: `local-${Date.now()}`,