feat: introduce new composable data providers and increment version

- Added `AnchorDataProvider`, `AnchorCollectionDataProvider`, `ContentsDataProvider`, `ContentsArrayDataProvider`, `DropDownDataProvider`, `ListContentDataProvider`, and `ParagraphedContentDataProvider` for enhanced data extraction flexibility.
- Updated project version to 2.5.0.

Beam.Dynamic/DataProviders/ContentsDataProvider.cs

@@ -0,0 +1,30 @@
+using HtmlAgilityPack;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Beam.Abstractions;
+
+namespace Beam.Dynamic {
+    public class ContentsDataProvider : IComposableDataProvider<string> {
+        public IBinding? Content { get; set; }
+
+        public string Get(HtmlDocument document) {
+            var node = Select(document);
+            return node is null ? "" : Get(node);
+        }
+
+        public string Get(HtmlNode node) {
+            return node.InnerText;
+        }
+        public HtmlNode? Select(HtmlDocument doc) {
+            return Content?.Select(doc);
+        }
+
+        public HtmlNode? Select(HtmlNode node) {
+            return node;
+        }
+    }
+}