Add new core-developers (#138)

source/structure.html

@@ -160,6 +160,38 @@ <h2 class="text-3xl text-gray-800 font-bold tracking-tight mt-0" id="core_develo
                         twitter: 'https://twitter.com/arnaud_lb',
                         github: 'https://github.com/arnaud-lb',
                     }) }}
+
+                    {{ include('structure-item.html', {
+                        name: 'David Carlier',
+                        image: 'https://avatars.githubusercontent.com/u/4922778?s=200&v=4',
+                        job: 'Core Developer',
+                        twitter: 'https://twitter.com/devnexen',
+                        github: 'https://github.com/devnexen',
+                    }) }}
+
+                    {{ include('structure-item.html', {
+                        name: 'James Titcumb',
+                        image: 'https://avatars.githubusercontent.com/u/496145?s=200&v=4',
+                        job: 'Core Developer',
+                        twitter: 'https://twitter.com/asgrim',
+                        github: 'https://github.com/asgrim',
+                    }) }}
+
+                    {{ include('structure-item.html', {
+                        name: 'Saki Takamachi',
+                        image: 'https://avatars.githubusercontent.com/u/34942839?s=200&v=4',
+                        job: 'Core Developer',
+                        twitter: 'https://twitter.com/takamachi1saki',
+                        github: 'https://github.com/SakiTakamachi',
+                    }) }}
+
+                    {{ include('structure-item.html', {
+                        name: 'Shivam Mathur',
+                        image: 'https://avatars.githubusercontent.com/u/1571086?s=200&v=4',
+                        job: 'Core Developer',
+                        twitter: 'https://twitter.com/meshivammathur',
+                        github: 'https://github.com/shivammathur',
+                    }) }}
                 </div>
             </div>
         </div>