add an html interpreter

examples/lang/sample.masonry

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+// Sample Masonry application demonstrating the language features
+entity User {
+    name: string required
+    email: string required unique
+    age: number
+    role: string default "user"
+    password: string required
+}
+
+page UserDashboard at "/dashboard" layout main title "User Dashboard" {
+    meta description "User management dashboard"
+    meta keywords "user, dashboard, management"
+
+    section header type container class "header" {
+        component nav {
+            field logo type text value "MyApp"
+            button profile label "Profile"
+            button logout label "Logout"
+        }
+    }
+
+    section content type tab {
+        section users label "Users" active {
+            component table for User {
+                field name type text label "Full Name" sortable searchable
+                field email type email label "Email Address" sortable
+                field role type select options ["admin", "user", "moderator"]
+                button edit label "Edit"
+                button delete label "Delete"
+            }
+        }
+
+        section settings label "Settings" {
+            component form for User {
+                field name type text label "Full Name" required placeholder "Enter your name"
+                field email type email label "Email" required placeholder "Enter your email"
+                field age type number label "Age" placeholder "Enter your age"
+                field role type select label "Role" options ["admin", "user", "moderator"] default "user"
+                field password type password label "Password" required
+
+                when role equals "admin" {
+                    field permissions type select label "Admin Permissions" options ["read", "write", "delete"]
+                }
+
+                button save label "Save Changes"
+                button cancel label "Cancel"
+            }
+        }
+
+        section profile label "Profile" {
+            component form {
+                field avatar type file label "Profile Picture" accept ".jpg,.png"
+                field bio type textarea label "Biography" rows 4 placeholder "Tell us about yourself"
+                field theme type select label "Theme" options ["light", "dark"] default "light"
+                field notifications type checkbox label "Enable Notifications" default "true"
+
+                button update label "Update Profile"
+            }
+        }
+    }
+}