[IMP] theme_*: adapt themes with new s_unveil snippet

*: anelusia, avantgarde, aviato, beauty, bewise, bookstore, ernark,
graphene, kea, kiddo, loftspace, monglia, nano, notes, odoo experts,
orchid, paptic, real_estate, treehouse, vehicle, yes, zap

This commit adapts the design of new s_unveil snippet for multiple
themes.

task-4104471

closes odoo/design-themes#860

Part-of: task-4077427
Related: odoo/odoo#176167
Signed-off-by: Soukéina Bojabza (sobo) <sobo@odoo.com>

theme_enark/__manifest__.py

@@ -20,6 +20,7 @@
         'views/snippets/s_call_to_action.xml',
         'views/snippets/s_parallax.xml',
         'views/snippets/s_image_gallery.xml',
+        'views/snippets/s_unveil.xml',
         'views/new_page_template.xml',
     ],
     'images': [

theme_enark/views/snippets/s_unveil.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    
+<template id="s_unveil" inherit_id="website.s_unveil">
+    <!-- Section -->
+    <xpath expr="//section" position="attributes">
+        <attribute name="class" add="o_cc o_cc2" separator=" "/>
+    </xpath>
+    <!-- Title -->
+    <xpath expr="//h2" position="replace" mode="inner">
+        Design your dream space
+    </xpath>
+    <!-- Paragraph -->
+    <xpath expr="//p" position="replace" mode="inner">
+        Transform your vision into reality with our innovative architectural solutions.
+    </xpath>
+</template>
+
+</odoo>