Respecting shouldInstallPlugins flag in front matter

OP/Build/Program.cs

@@ -104,6 +104,12 @@ static IReadOnlyCollection<string> ScanDocTargets(string docsRoot)
             continue;
         }
         
+        if (!frontMatter.TryGetValue("shouldInstallPlugins", out var shouldInstallValue) ||
+            !string.Equals(shouldInstallValue.Trim(), "true", StringComparison.OrdinalIgnoreCase))
+        {
+            continue;
+        }
+
         if (!frontMatter.TryGetValue("path", out var pathValue) || string.IsNullOrWhiteSpace(pathValue))
         {
             Console.WriteLine($"WARNING: File '{filePath}' has category: docs but missing path.");

op.docs/docs/op.docs.md

@@ -1,4 +1,5 @@
 ---
 category: docs
 path: Obsidian-Plugins\op.docs
+shouldInstallPlugins: true
 ---