Add social links

Signed-off-by: Valentin Popov <info@valentineus.link>

_data/social_links.yml

@@ -0,0 +1,11 @@
+- name: "GitHub"
+  url: "https://github.com/valentineus"
+
+- name: "Instagram"
+  url: "https://www.instagram.com/valentius.p"
+
+- name: "Twitter"
+  url: "https://twitter.com/valyaha"
+
+- name: "VK"
+  url: "https://vk.com/valentineus"