docs: fix coding style

Align = position

Author: kenjis

user_guide_src/source/installation/upgrade_migrations.rst

@@ -63,13 +63,13 @@ Path: ``application/migrations``::
         {
             $this->dbforge->add_field(array(
                 'blog_id' => array(
-                    'type' => 'INT',
-                    'constraint' => 5,
-                    'unsigned' => true,
+                    'type'           => 'INT',
+                    'constraint'     => 5,
+                    'unsigned'       => true,
                     'auto_increment' => true,
                 ),
                 'blog_title' => array(
-                    'type' => 'VARCHAR',
+                    'type'       => 'VARCHAR',
                     'constraint' => '100',
                 ),
                 'blog_description' => array(

user_guide_src/source/installation/upgrade_models.rst

@@ -50,9 +50,9 @@ Path: ``application/models``::
         public function insert($name, $address, $email)
         {
             $this->db->insert('user_contacts', array(
-                "name" => $name,
-                "address" => $address,
-                "email" => $email,
+                'name'    => $name,
+                'address' => $address,
+                'email'   => $email,
             ));
         }
     }

user_guide_src/source/installation/upgrade_pagination.rst

@@ -39,11 +39,11 @@ CodeIgniter Version 3.11
 ::
 
     $this->load->library('pagination');
-    $config['base_url'] = base_url().'users/index/';
-    $config['total_rows'] = $this->db->count_all('users');
-    $config['per_page'] = 10;
+    $config['base_url']    = base_url().'users/index/';
+    $config['total_rows']  = $this->db->count_all('users');
+    $config['per_page']    = 10;
     $config['uri_segment'] = 3;
-    $config['attributes'] = array('class' => 'pagination-link');
+    $config['attributes']  = array('class' => 'pagination-link');
     $this->pagination->initialize($config);
 
     $data['users'] = $this->user_model->get_users(FALSE, $config['per_page'], $offset);

user_guide_src/source/installation/upgrade_view_parser.rst

@@ -33,7 +33,7 @@ CodeIgniter Version 3.11
     $this->load->library('parser');
 
     $data = array(
-        'blog_title' => 'My Blog Title',
+        'blog_title'   => 'My Blog Title',
         'blog_heading' => 'My Blog Heading'
     );