Move to Symfony Flex

The structure changed completely.
Bundles are gone. Everything is flatten in the folder `src`.
I separated import & api controllers to avoid _pollution_ in the main controller folder.

templates/Tag/new_form.html.twig

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+<form name="tag" method="post" action="{{ path('new_tag', {'entry': entry.id}) }}">
+    {% if form_errors(form) %}
+        <span class="black-text">{{ form_errors(form) }}</span>
+    {% endif %}
+
+    {% if form_errors(form.label) %}
+        <span class="black-text">{{ form_errors(form.label) }}</span>
+    {% endif %}
+
+    {{ form_widget(form.label, {'attr': {'autocomplete': 'off'}}) }}
+
+    {{ form_widget(form.add, {'attr': {'class': 'btn waves-effect waves-light hide-on-large-only'}}) }}
+    {{ form_widget(form._token) }}
+</form>

templates/Tag/tags.html.twig

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+{% extends "layout.html.twig" %}
+
+{% block title %}{{ 'tag.page_title'|trans }}{% endblock %}
+
+{% block content %}
+    <div class="results clearfix">
+        {{ 'tag.list.number_on_the_page'|transchoice(tags|length) }}
+    </div>
+
+    <div class="row">
+        <ul class="card-tag-labels">
+            <li class="chip">
+                <a href="{{ path('untagged') }}">{{ 'tag.list.untagged'|trans }} ({{ nbEntriesUntagged }})</a>
+            </li>
+            {% for tag in tags %}
+                <li title="{{ tag.label }} ({{ tag.nbEntries }})" id="tag-{{ tag.id }}" class="chip">
+                    <a href="{{ path('tag_entries', {'slug': tag.slug}) }}" class="card-tag-link" data-handle="tag-link">
+                        {{ tag.label }}&nbsp;({{ tag.nbEntries }})
+                    </a>
+                    {% if renameForms is defined and renameForms[tag.id] is defined %}
+                    <form class="card-tag-form hidden" data-handle="tag-rename-form" action="{{ path('tag_rename', {'slug': tag.slug}) }}" method="POST">
+                        {{ form_widget(renameForms[tag.id].label, {'attr': {'value': tag.label}}) }}
+                        {{ form_rest(renameForms[tag.id]) }}
+                    </form>
+                    <a class="card-tag-icon card-tag-rename" data-handler="tag-rename" href="javascript:void(0);">
+                        <i class="material-icons">mode_edit</i>
+                    </a>
+                    {% endif %}
+                    <a id="delete-{{ tag.slug }}" href="{{ path('tag_delete', {'slug': tag.slug}) }}" class="card-tag-icon card-tag-delete" onclick="return confirm('{{ 'tag.confirm.delete'|trans({'%name%': tag.label})|escape('js') }}')">
+                        <i class="material-icons">delete</i>
+                    </a>
+                    {% if app.user.config.feedToken %}
+                        <a rel="alternate" type="application/atom+xml" href="{{ path('tag_feed', {'username': app.user.username, 'token': app.user.config.feedToken, 'slug': tag.slug}) }}" class="card-tag-icon"><i class="material-icons">rss_feed</i></a>
+                    {% endif %}
+                </li>
+            {% endfor %}
+        </ul>
+    </div>
+{% endblock %}