feat: Refactor service management scripts to use a unified dev script

- Added package.json to manage development scripts.
- Updated restart-services.ps1 to call the new dev script for starting services.
- Refactored start-admin.ps1, start-backend.ps1, start-frontend.ps1, and start-mcp.ps1 to utilize the dev script for starting respective services.
- Enhanced stop-services.ps1 to improve process termination logic by matching command patterns.

backend/content/posts/welcome-to-termi.md

@@ -1,35 +0,0 @@
----
-title: Welcome to Termi Blog
-slug: welcome-to-termi
-description: Welcome to our new blog built with Astro and Loco.rs backend.
-category: general
-post_type: article
-pinned: true
-published: true
-tags:
-  - welcome
-  - astro
-  - loco-rs
----
-
-# Welcome to Termi Blog
-
-This is the first post on our new blog built with Astro and Loco.rs backend.
-
-## Features
-
-- Fast performance with Astro
-- Terminal-style UI design
-- Comments system
-- Friend links
-- Tags and categories
-
-## Code Example
-
-```rust
-fn main() {
-    println!("Hello, Termi!");
-}
-```
-
-Stay tuned for more posts!