Fix plugin ID, package metadata, and formatter consistency issues

- Correct plugin ID in manifest.json to match folder name (obsidian-unicode-formatter)
- Update package.json name and description from sample template defaults
- Make markdownToLinkedIn handle both '- ' and '* ' list markers
- Enhance cleanText to also strip em-dash, arrow, and numbered-list prefixes

package.json

@@ -1,7 +1,7 @@
 {
-	"name": "obsidian-sample-plugin",
-	"version": "1.0.0",
-	"description": "This is a sample plugin for Obsidian (https://obsidian.md)",
+"name": "obsidian-unicode-formatter",
+"version": "1.0.0",
+"description": "Format selected text as Unicode Sans-Serif Bold, Italic, or Bold-Italic for LinkedIn and Facebook posts.",
 	"main": "main.js",
 	"type": "module",
 	"scripts": {