refactor: delete 17 legacy files (renderer.js, 8 stylesheets, 5 scripts, 2 htmls, src/index.html orphan, deprecated src/main.js)

tests/preload.test.js

@@ -48,8 +48,6 @@ describe('Preload Security', () => {
       'process-pdf-operation',
       'get-pdf-page-count',
       'select-pdf-folder',
-      'open-ascii-generator',
-      'open-table-generator',
       'insert-generated-content',
       'save-pasted-image',
       'load-template',
@@ -96,7 +94,6 @@ describe('Preload Security', () => {
       'show-export-dialog',
       'show-batch-dialog',
       'show-universal-converter-dialog',
-      'show-table-generator',
       'show-pdf-editor-dialog',
       'show-image-converter',
       'show-audio-converter',
@@ -119,13 +116,9 @@ describe('Preload Security', () => {
       'pdf-operation-complete',
       'pdf-operation-error',
       'pdf-operation-progress',
-      'show-ascii-generator-window',
-      'show-ascii-generator',
-      'show-table-generator-window',
       'open-header-footer-dialog',
       'insert-content',
       'load-template-menu',
-      'toggle-command-palette',
       'toggle-sidebar-panel',
       'toggle-bottom-panel'
     ];