feat: add toolbar styles and functionality for blog editor

feat: implement EditorTheme for consistent styling across editor components

feat: define types for blog-related operations including image uploads and post creation

feat: create DropdownColorPicker component for color selection in blog editor

feat: implement ImageResizer component for resizing images in the blog editor

feat: add export and import functionality for blog posts in JSON format

feat: update main application routes to include CreatePost page

feat: enhance Blog page with a button to navigate to CreatePost

feat: implement CreatePost page with title, cover image upload, and content editor

src/blog/themes/EditorTheme.ts

@@ -0,0 +1,46 @@
+import type { EditorThemeClasses } from 'lexical';
+
+const theme: EditorThemeClasses = {
+  paragraph: 'editor-paragraph',
+  quote: 'editor-quote',
+  heading: {
+    h1: 'editor-heading-h1',
+    h2: 'editor-heading-h2',
+    h3: 'editor-heading-h3',
+    h4: 'editor-heading-h4',
+    h5: 'editor-heading-h5',
+    h6: 'editor-heading-h6',
+  },
+  list: {
+    nested: {
+      listitem: 'editor-nested-listitem',
+    },
+    ol: 'editor-list-ol',
+    ul: 'editor-list-ul',
+    listitem: 'editor-listitem',
+    listitemChecked: 'editor-listitem-checked',
+    listitemUnchecked: 'editor-listitem-unchecked',
+  },
+  text: {
+    bold: 'editor-text-bold',
+    italic: 'editor-text-italic',
+    underline: 'editor-text-underline',
+    strikethrough: 'editor-text-strikethrough',
+    code: 'editor-text-code',
+    left: 'editor-text-left',
+    center: 'editor-text-center',
+    right: 'editor-text-right',
+    justify: 'editor-text-justify',
+  },
+  code: 'editor-code',
+  codeHighlight: {},
+  link: 'editor-link',
+  table: 'editor-table',
+  tableCell: 'editor-table-cell',
+  tableCellHeader: 'editor-table-cell-header',
+  hr: 'editor-hr',
+  image: 'editor-image',
+  hashtag: 'editor-hashtag',
+};
+
+export default theme;