feat: we have a functional prototype

client/src/app/inputs/single-line/single-line.component.ts

@@ -0,0 +1,18 @@
+import { CommonModule } from "@angular/common";
+import { Component, input } from "@angular/core";
+import { type FormControl, ReactiveFormsModule } from "@angular/forms";
+
+/**
+ *
+ */
+@Component({
+  imports:     [ CommonModule, ReactiveFormsModule ],
+  selector:    'app-single-line',
+  styleUrl:    './single-line.component.css',
+  templateUrl: "./single-line.component.html",
+})
+export class SingleLineComponent {
+  public type = input.required<"text" | "email" | "number">();
+  public label = input.required<string>();
+  public control = input.required<FormControl>();
+}