Add init weapon scraper

BlueLaminate/BlueLaminate.Scraper/Wiki/WikiText.cs

@@ -0,0 +1,14 @@
+using System.Text.RegularExpressions;
+using HtmlAgilityPack;
+
+namespace BlueLaminate.Scraper.Wiki;
+
+/// <summary>Text helpers shared by wiki scrapers.</summary>
+public static class WikiText
+{
+    private static readonly Regex Whitespace = new(@"\s+", RegexOptions.Compiled);
+
+    /// <summary>Decodes HTML entities and collapses whitespace runs to single spaces.</summary>
+    public static string Normalize(string raw) =>
+        Whitespace.Replace(HtmlEntity.DeEntitize(raw) ?? string.Empty, " ").Trim();
+}