Add categories for projects and tasks

templates/category_edit.php

@@ -0,0 +1,24 @@
+<section id="main">
+    <div class="page-header">
+        <h2><?= t('Category modification for the project "%s"', $project['name']) ?></h2>
+        <ul>
+            <li><a href="?controller=project"><?= t('All projects') ?></a></li>
+        </ul>
+    </div>
+    <section>
+
+    <form method="post" action="?controller=category&amp;action=update&amp;project_id=<?= $project['id'] ?>" autocomplete="off">
+
+        <?= Helper\form_hidden('id', $values) ?>
+        <?= Helper\form_hidden('project_id', $values) ?>
+
+        <?= Helper\form_label(t('Category Name'), 'name') ?>
+        <?= Helper\form_text('name', $values, $errors, array('required')) ?>
+
+        <div class="form-actions">
+            <input type="submit" value="<?= t('Save') ?>" class="btn btn-blue"/>
+        </div>
+    </form>
+
+    </section>
+</section>