WIP: Begins effective length views.

Sources/ViewController/Views/EffectiveLength/EffectiveLengthForm.swift

@@ -0,0 +1,38 @@
+import Elementary
+import ElementaryHTMX
+import ManualDCore
+import Styleguide
+
+struct EffectiveLengthForm: HTML, Sendable {
+
+  var body: some HTML {
+    div(
+      .id("effectiveLengthForm"),
+      .class(
+        """
+        fixed top-40 left-[25vw] w-1/2 z-50 text-gray-800
+        bg-gray-200 border border-gray-400 
+        rounded-lg shadow-lg mx-10
+        """
+      )
+    ) {
+      h1(.class("text-2xl font-bold")) { "Effective Length" }
+      form(.class("space-y-4 p-4")) {
+        // FIX: Add fields
+
+        Row {
+          div {}
+          div {
+            CancelButton()
+              .attributes(
+                .hx.get(route: .effectiveLength(.form(dismiss: true))),
+                .hx.target("#effectiveLengthForm"),
+                .hx.swap(.outerHTML)
+              )
+            SubmitButton()
+          }
+        }
+      }
+    }
+  }
+}