Cleanup, grammar fixes, and build fix

GSR/Build/Program.cs

@@ -2,8 +2,10 @@
 using Markdig;
 using Model;
 
-var docsDir = Path.GetFullPath(args.Length > 0 ? args[0] : Path.Combine("..", "..", "gsr.docs"));
-var outputDir = Path.GetFullPath(args.Length > 1 ? args[1] : Path.Combine("..", "Model"));
+var repoRoot = Path.GetFullPath(Path.Combine(AppContext.BaseDirectory, "..", "..", "..", "..", ".."));
+
+var docsDir = Path.GetFullPath(args.Length > 0 ? args[0] : Path.Combine(repoRoot, "gsr.docs"));
+var outputDir = Path.GetFullPath(args.Length > 1 ? args[1] : Path.Combine(repoRoot, "GSR", "Model"));
 
 var pipeline = new MarkdownPipelineBuilder().UseAdvancedExtensions().Build();
 
@@ -17,6 +19,7 @@ foreach (var file in Directory.EnumerateFiles(docsDir, "*.md"))
 
     string body;
     var category = string.Empty;
+    bool? isVisible = true;
     string? link = null;
     string? git = null;
 
@@ -42,6 +45,7 @@ foreach (var file in Directory.EnumerateFiles(docsDir, "*.md"))
                 {
                     case "category": category = val; break;
                     case "link": link = val; break;
+                    case "isVisible": isVisible = bool.Parse(val); break;
                     case "git": git = val; break;
                 }
             }
@@ -70,7 +74,8 @@ foreach (var file in Directory.EnumerateFiles(docsDir, "*.md"))
             Category = category,
             Link = link,
             Git = git,
-            ContentHtml = html
+            ContentHtml = html,
+            IsVisible = isVisible,
         });
     }
 }
@@ -98,7 +103,8 @@ foreach (var g in games)
     sb.AppendLine($"            Category = {VStr(g.Category)},");
     sb.AppendLine($"            Link = {VStr(g.Link)},");
     sb.AppendLine($"            Git = {VStr(g.Git)},");
-    sb.AppendLine($"            ContentHtml = {VStr(g.ContentHtml)}");
+    sb.AppendLine($"            ContentHtml = {VStr(g.ContentHtml)},");
+    sb.AppendLine($"            IsVisible = {(g.IsVisible != null && g.IsVisible.Value ? "true" : "false")},");
     sb.AppendLine("        },");
 }