Add 5% webtoon reader side padding option (closes #6511)

app/src/main/res/values/arrays.xml

@@ -34,6 +34,7 @@
 
     <string-array name="webtoon_side_padding">
         <item>@string/webtoon_side_padding_0</item>
+        <item>@string/webtoon_side_padding_5</item>
         <item>@string/webtoon_side_padding_10</item>
         <item>@string/webtoon_side_padding_15</item>
         <item>@string/webtoon_side_padding_20</item>
@@ -42,6 +43,7 @@
 
     <string-array name="webtoon_side_padding_values">
         <item>0</item>
+        <item>5</item>
         <item>10</item>
         <item>15</item>
         <item>20</item>

app/src/main/res/values/strings.xml

@@ -372,6 +372,7 @@
     <string name="pref_category_reading">Reading</string>
     <string name="pref_webtoon_side_padding">Side padding</string>
     <string name="webtoon_side_padding_0">None</string>
+    <string name="webtoon_side_padding_5">5%</string>
     <string name="webtoon_side_padding_10">10%</string>
     <string name="webtoon_side_padding_15">15%</string>
     <string name="webtoon_side_padding_20">20%</string>