Add new blog posts and update existing content

- Created "My 2023 Coding Edition" post detailing projects and experiences in Rust and game development.
- Added "My 2024 and 2025 roadmap" outlining goals and projects for the upcoming years.
- Introduced "Python Tutorial - Introduction" and "Python - Variables" posts to teach Python programming basics.
- Published "ROADMAP for 2023" to outline initial goals for the year.
- Added "My Rust little adventure" post summarizing various Rust projects undertaken.
- Released "Spanish Inquisition - 3.0.1 UPDATE" detailing the latest game update and features.
- Added multiple background images in AVIF format for website use.
- Removed unused SVG files to clean up the public directory.

lib/posts.ts

@@ -0,0 +1,80 @@
+import fs from 'fs';
+import path from 'path';
+import matter from 'gray-matter';
+import readingTime from 'reading-time';
+
+const postsDirectory = path.join(process.cwd(), 'posts');
+
+export interface PostData {
+  id: string;
+  date: string;
+  title: string;
+  description: string;
+  content: string;
+  readingTime: string;
+}
+
+export interface PostMeta {
+  id: string;
+  date: string;
+  title: string;
+  description: string;
+  readingTime: string;
+}
+
+export function getSortedPostsData(): PostMeta[] {
+  try {
+    const fileNames = fs.readdirSync(postsDirectory);
+    const allPostsData = fileNames
+      .filter(fileName => fileName.endsWith('.mdx'))
+      .map(fileName => {
+        const id = fileName.replace(/\.mdx$/, '');
+        const fullPath = path.join(postsDirectory, fileName);
+        const fileContents = fs.readFileSync(fullPath, 'utf8');
+        const matterResult = matter(fileContents);
+        const stats = readingTime(matterResult.content);
+
+        return {
+          id,
+          date: matterResult.data.date as string,
+          title: matterResult.data.title as string,
+          description: matterResult.data.description as string,
+          readingTime: stats.text,
+        };
+      });
+
+    return allPostsData.sort((a, b) => (a.date < b.date ? 1 : -1));
+  } catch (error) {
+    console.log("No 'posts' directory found, returning empty array.");
+    return [];
+  }
+}
+
+export function getAllPostIds() {
+  try {
+    const fileNames = fs.readdirSync(postsDirectory);
+    return fileNames.map(fileName => ({
+      params: {
+        slug: fileName.replace(/\.mdx$/, ''),
+      },
+    }));
+  } catch (error) {
+    return [];
+  }
+}
+
+export async function getPostData(id: string): Promise<PostData> {
+  const fullPath = path.join(postsDirectory, `${id}.mdx`);
+  const fileContents = fs.readFileSync(fullPath, 'utf8');
+  const matterResult = matter(fileContents);
+  const stats = readingTime(matterResult.content);
+
+  return {
+    id,
+    content: matterResult.content,
+    date: matterResult.data.date,
+    title: matterResult.data.title,
+    description: matterResult.data.description,
+    readingTime: stats.text,
+  };
+}