feat: Rename image and data files

- Add PostCard component
    - Add WysiwygEditor component
    - Use 'front-matter' to parse front matter in markdown files for metadata instead of using redundant data objects

src/data/blog-post-data.js

@@ -1,4 +1,4 @@
-import matter from 'gray-matter';
+import fm from 'front-matter';
 
 const modules = import.meta.glob('./BlogPosts/*.md', { query: '?raw', import: 'default' });
 
@@ -7,10 +7,10 @@ export async function loadPosts() {
 
     for (const path in modules) {
         const fileContent = await modules[path]();
-        const { data } = matter(fileContent);
+        const { attributes } = fm(fileContent);
 
         posts.push({
-            ...data,
+            ...attributes,
             path,
         });
     }