style: configure deno fmt to use single quotes

- Add singleQuote: true to deno.json fmt configuration
- Reformat all files with single quotes using deno fmt

test/test.logger.ts

@@ -1,4 +1,4 @@
-import { assertEquals, assert } from "jsr:@std/assert@^1.0.0";
+import { assert, assertEquals } from 'jsr:@std/assert@^1.0.0';
 import { Logger } from '../ts/logger.ts';
 
 // Create a Logger instance for testing
@@ -71,7 +71,7 @@ Deno.test('should create a complete logbox in one call', () => {
   logger.logBox('Complete Box', [
     'Line 1',
     'Line 2',
-    'Line 3'
+    'Line 3',
   ], 40);
 
   // Just assert that the test runs without errors
@@ -81,7 +81,7 @@ Deno.test('should create a complete logbox in one call', () => {
 Deno.test('should handle content that exceeds box width', () => {
   // Just ensuring no errors occur when content is too long
   logger.logBox('Truncation Test', [
-    'This line is way too long and should be truncated because it exceeds the available space'
+    'This line is way too long and should be truncated because it exceeds the available space',
   ], 30);
 
   // Just assert that the test runs without errors
@@ -126,13 +126,13 @@ Deno.test('Logger Demo', () => {
   logger.logBox('UPS Status', [
     'Power Status: onBattery',
     'Battery Capacity: 75%',
-    'Runtime Remaining: 30 minutes'
+    'Runtime Remaining: 30 minutes',
   ], 45);
 
   // Logbox with content that's too long for the width
   logger.logBox('Truncation Example', [
     'This line is short enough to fit within the box width',
-    'This line is way too long and will be truncated because it exceeds the available space for content within the logbox'
+    'This line is way too long and will be truncated because it exceeds the available space for content within the logbox',
   ], 40);
 
   // Demonstrating logbox width being remembered