feat: add crisp (#7)

* feat: add crisp

* test: add codacy

* fix: coverage

web/src/util/crip.ts

@@ -0,0 +1,14 @@
+interface CrispWindow extends Window {
+  $crisp: any[];
+  CRISP_WEBSITE_ID: string;
+}
+declare var window: CrispWindow;
+
+export function initCrisp() {
+  window.$crisp = [];
+  window.CRISP_WEBSITE_ID = '92b2e096-6892-47dc-bf4a-057bad52d82e';
+  const s = document.createElement('script');
+  s.src = 'https://client.crisp.chat/l.js';
+  s.async = true;
+  document.getElementsByTagName('head')[0].appendChild(s);
+}