added more post to agenda view

page-templates/agenda-archive.php

@@ -50,7 +50,7 @@ get_header();
       $the_query_archive_agenda = new WP_Query(
         array(
           'post_type'      => 'post',
-          'posts_per_page' => '10', //show all => -1
+          'posts_per_page' => '100', //show all => -1
           'tax_query'      => array(
             array(
               'taxonomy'   => 'category',
@@ -79,6 +79,12 @@ get_header();
          <?php get_template_part( 'template-parts/section', 'each-agenda-entry' ); ?>
   
         <?php endwhile;//end of the loop ?>
+        <?php 
+        // pagination will not work for custom_query
+        // https://wordpress.stackexchange.com/a/120408
+        // how to fix it
+          the_posts_navigation();
+         ?>
         <?php wp_reset_postdata(); ?>
   		</content>
       <?php endif; //end query convo ?>