RecoReco: config modal + metadata storage, off Skeleton (v0.2)

Template/layout/header.php

@@ -1 +0,0 @@
-<div class="skeleton-plugin-marker">Skeleton</div>

Template/recurrence/edit.php

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+<div class="page-header">
+    <h2><?= t('Recurring schedule') ?></h2>
+</div>
+
+<?php $can_recur = $has_due_date && ! $is_native ?>
+
+<?php if (! $has_due_date): ?>
+    <p class="alert alert-info"><?= t('Please set a due date first. RecoReco uses the card due date as the recurrence anchor.') ?></p>
+<?php elseif ($is_native): ?>
+    <p class="alert alert-info"><?= t('This card already uses Kanboard built-in recurrence. RecoReco and native recurrence cannot be used together.') ?></p>
+<?php endif ?>
+
+<form method="post" action="<?= $this->url->href('RecurrenceController', 'save', array('plugin' => 'RecoReco', 'task_id' => $task['id'])) ?>" autocomplete="off">
+    <?= $this->form->csrf() ?>
+
+    <?= $this->form->label(t('Make recurring'), 'recoreco_enabled') ?>
+    <div class="recoreco-radios">
+        <label>
+            <input type="radio" name="recoreco_enabled" value="0" <?= $values['recoreco_enabled'] == 1 ? '' : 'checked="checked"' ?>> <?= t('No') ?>
+        </label>
+        <label>
+            <input type="radio" name="recoreco_enabled" value="1" <?= $values['recoreco_enabled'] == 1 ? 'checked="checked"' : '' ?> <?= $can_recur ? '' : 'disabled="disabled"' ?>> <?= t('Yes') ?>
+        </label>
+    </div>
+
+    <?= $this->form->label(t('Target column (where the copy appears)'), 'recoreco_target_column') ?>
+    <?= $this->form->select('recoreco_target_column', $columns_list, $values) ?>
+
+    <?= $this->form->label(t('Frequency'), 'recoreco_frequency') ?>
+    <?= $this->form->select('recoreco_frequency', $frequency_list, $values) ?>
+
+    <?= $this->form->checkbox('recoreco_last_day', t('Last day of the month (honored only when the due date is the last day / last weekday of its month)'), 1, $values['recoreco_last_day'] == 1) ?>
+
+    <?= $this->form->label(t('Create the copy this many days before the due date'), 'recoreco_days_before') ?>
+    <?= $this->form->number('recoreco_days_before', $values) ?>
+
+    <?= $this->modal->submitButtons() ?>
+</form>

Template/task/sidebar_action.php

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+<li>
+    <?= $this->modal->medium('calendar', t('Recurring schedule'), 'RecurrenceController', 'edit', array('plugin' => 'RecoReco', 'task_id' => $task['id'])) ?>
+</li>