feat: update metadata for finance-related Copilot tips with difficulty levels and last modified dates

Author: csharpfritz

Content/Tips/copilot-ask-vs-agent-mode.md

@@ -1,10 +1,12 @@
 ---
 title: "Understanding GitHub Copilot: Ask Mode vs. Agent Mode"
 description: "Learn the key differences between GitHub Copilot's Ask and Agent modes and when to use each for maximum productivity"
-date: 2025-06-09
 category: "GitHub Copilot"
 tags: ["github-copilot", "productivity", "tips", "coding"]
+difficulty: "Beginner"
 author: "Copilot That Jawn"
+publishedDate: "2025-06-09"
+lastModified: "2025-06-09"
 ---
 
 # Ask Mode vs. Agent Mode in GitHub Copilot

Content/Tips/copilot-excel-finance-advanced.md

@@ -1,10 +1,12 @@
 ---
 title: "Advanced Financial Analysis with Copilot in Excel (Part 2: Financial Modeling)"
 description: "Master advanced financial modeling and analysis using Microsoft Copilot in Excel with real-world examples"
-date: 2025-06-09
 category: "Microsoft 365 Copilot"
 tags: ["excel", "finance", "financial-modeling", "analysis", "microsoft-365-copilot"]
+difficulty: "Advanced"
 author: "Copilot That Jawn"
+publishedDate: "2025-06-09"
+lastModified: "2025-06-09"
 series: "Copilot for Finance"
 part: 2
 ---

Content/Tips/copilot-excel-finance-basics.md

@@ -1,10 +1,12 @@
 ---
 title: "Getting Started with Copilot in Excel for Finance (Part 1: Basics)"
 description: "Master the fundamentals of using Microsoft Copilot in Excel for financial work, with practical examples and prompts"
-date: 2025-06-09
 category: "Microsoft 365 Copilot"
 tags: ["excel", "finance", "getting-started", "productivity", "microsoft-365-copilot"]
+difficulty: "Beginner"
 author: "Copilot That Jawn"
+publishedDate: "2025-06-09"
+lastModified: "2025-06-09"
 series: "Copilot for Finance"
 part: 1
 ---

Content/Tips/copilot-excel-for-finance.md

@@ -1,10 +1,12 @@
 ---
 title: "Microsoft Copilot in Excel: A Game-Changer for Finance Professionals"
 description: "Learn how finance professionals can leverage Microsoft Copilot in Excel to streamline financial analysis, automate tasks, and enhance productivity"
-date: 2025-06-09
 category: "Microsoft 365 Copilot"
 tags: ["excel", "finance", "financial-analysis", "investment", "productivity", "microsoft-365-copilot"]
+difficulty: "Intermediate"
 author: "Copilot That Jawn"
+publishedDate: "2025-06-09"
+lastModified: "2025-06-09"
 ---
 
 As a finance professional, Excel is your essential toolkit. With Microsoft Copilot integration, your spreadsheet capabilities just got a major upgrade. Let's explore how Copilot can transform your daily financial tasks.

Content/Tips/using-copilot-agent-for-unit-tests.md

@@ -1,10 +1,12 @@
 ---
 title: "Supercharge Your Testing with GitHub Copilot Agent Mode"
 description: "Learn how to leverage GitHub Copilot's Agent mode to efficiently generate and maintain comprehensive unit tests"
-date: 2025-06-09
 category: "GitHub Copilot"
 tags: ["github-copilot", "testing", "unit-tests", "productivity", "coding"]
+difficulty: "Intermediate"
 author: "Copilot That Jawn"
+publishedDate: "2025-06-09"
+lastModified: "2025-06-09"
 ---
 
 # Generating Unit Tests with GitHub Copilot Agent Mode