feat(cli): --exclude flag for ignoring files (#162)

Co-authored-by: Hiroki Osame <hiroki.osame@gmail.com>

src/cli.ts

@@ -21,9 +21,14 @@ cli(
 		flags: {
 			generate: {
 				type: Number,
-				description: 'Number of messages to generate. (Warning: generating multiple costs more) (default: 1)',
+				description: 'Number of messages to generate (Warning: generating multiple costs more) (default: 1)',
 				alias: 'g',
 			},
+			exclude: {
+				type: [String],
+				description: 'Files to exclude from AI analysis',
+				alias: 'x',
+			},
 		},
 
 		commands: [
@@ -43,6 +48,7 @@ cli(
 		} else {
 			aicommits(
 				argv.flags.generate,
+				argv.flags.exclude,
 				rawArgv,
 			);
 		}