Add --template arg to create-dapp cli (MystenLabs#14231)

## Description 

Describe the changes or additions included in this PR.

## Test Plan 

How did you test the new or updated feature?

---
If your changes are not user-facing and not a breaking change, you can
skip the following section. Otherwise, please indicate what changed, and
then add to the Release Notes section as highlighted during the release
process.

### Type of Change (Check all that apply)

- [ ] protocol change
- [ ] user-visible impact
- [ ] breaking change for a client SDKs
- [ ] breaking change for FNs (FN binary must upgrade)
- [ ] breaking change for validators or node operators (must upgrade
binaries)
- [ ] breaking change for on-chain data layout
- [ ] necessitate either a data wipe or data migration

### Release notes

---------

Co-authored-by: William Robertson <[email protected]>

sdk/create-dapp/src/index.ts

@@ -6,43 +6,57 @@
 import { existsSync, statSync } from 'fs';
 import { mkdir, readdir, readFile, writeFile } from 'fs/promises';
 import { relative, resolve } from 'path';
+import { parseArgs } from 'util';
 import { prompt } from 'enquirer';
 
+const { values: args } = parseArgs({
+	options: {
+		template: {
+			type: 'string',
+			default: '',
+			short: 't',
+		},
+	},
+});
+
 async function main() {
 	const results = await prompt<{
 		template: string;
 		dAppName: string;
-	}>([
-		{
-			type: 'select',
-			name: 'template',
-			message: 'Which started template would you like to use?',
-			choices: [
-				{
-					name: 'react-client-dapp',
-					hint: 'React Client dApp that reads data from wallet and the blockchain',
-				},
-				{
-					name: 'react-e2e-counter',
-					hint: 'React dApp with a move smart contract that implements a distributed counter',
-				},
-			],
-		},
-		{
-			type: 'input',
-			name: 'dAppName',
-			message: 'What is the name of your dApp? (this will be used as the directory name)',
-			initial: 'my-first-sui-dapp',
-		},
-	]);
+	}>(
+		[
+			{
+				type: 'select',
+				name: 'template',
+				message: 'Which starter template would you like to use?',
+				choices: [
+					{
+						name: 'react-client-dapp',
+						hint: 'React Client dApp that reads data from wallet and the blockchain',
+					},
+					{
+						name: 'react-e2e-counter',
+						hint: 'React dApp with a move smart contract that implements a distributed counter',
+					},
+				],
+			},
+			{
+				type: 'input',
+
+				name: 'dAppName',
+				message: 'What is the name of your dApp? (this will be used as the directory name)',
+				initial: 'my-first-sui-dapp',
+			},
+		].filter((question) => !args[question.name as 'template']),
+	);
 
 	const outDir = resolve(process.cwd(), results.dAppName);
 
 	if (existsSync(outDir)) {
 		throw new Error(`Directory ${outDir} already exists`);
 	}
 
-	const files = await collectFiles(results.template, results.dAppName);
+	const files = await collectFiles(results.template ?? args.template, results.dAppName);
 	await writeFiles(files, outDir);
 }
 
@@ -57,7 +71,7 @@ async function collectFiles(template: string, dAppName: string) {
 	}>();
 
 	if (!statSync(templateDir).isDirectory()) {
-		throw new Error(`Template directory ${templateDir} could not be found`);
+		throw new Error(`Template ${templateDir} could not be found`);
 	}
 
 	await addDir(templateDir);