Add new 'Artificial Intelligence' portfolio menu category for AI tools (Ollama, OpenWebUI, Flowise, MinIO, Qdrant, LiteLLM) 🤖

Details: Introduced dedicated AI category with proper description, tags, and robot icon to group AI-related applications.

Reference: https://chatgpt.com/share/68d183ea-04dc-800f-97c9-2e83d0ca3753

roles/web-app-desktop/vars/menu_categories.yml

@@ -15,6 +15,20 @@ portfolio_menu_categories:
       - mobilizon
       - friendica
 
+  Artificial Intelligence:
+    description: "AI tools and frameworks for running, managing, and experimenting with models."
+    icon: "fa-solid fa-robot"
+    tags:
+      - ai
+      - artificial-intelligence
+      - machine-learning
+      - ollama
+      - openwebui
+      - flowise
+      - minio
+      - qdrant
+      - litellm
+
   Project Management:
     description: "Project Management Tools"
     icon: "fa-solid fa-chart-line"