chore: Rename includable templates

templates/_sidenav.html

@@ -0,0 +1,18 @@
+<div class="navigation divv">
+    <div class="decore1"></div>
+    <nav class="navlink">
+        <a href="{{ url_for('index') }}" class="link">на главную</a>
+    {% if request.path != url_for('sql') %}
+        <a href="{{ url_for('sql') }}" class="link">sql пипка</a>
+    {% else %}
+        <a href="{{ url_for('decode') }}" class="btn1">encode and decode</a>
+    {% endif %}
+    {% if request.path != url_for('found') %}
+        <a href="{{ url_for('found') }}" class="link">forensic</a>
+    {% else %}
+        <a href="{{ url_for('decode') }}" class="btn1">encode and decode</a>
+    {% endif %}
+{#        <!--    <a href="">rfi</a>--> #}
+{#        <!--    <a href="">lfi</a>--> #}
+    </nav>
+</div>