[Glitch] Add terms of service

Port 30aa0df88c to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/api/instance.ts

@@ -0,0 +1,11 @@
+import { apiRequestGet } from 'flavours/glitch/api';
+import type {
+  ApiTermsOfServiceJSON,
+  ApiPrivacyPolicyJSON,
+} from 'flavours/glitch/api_types/instance';
+
+export const apiGetTermsOfService = () =>
+  apiRequestGet<ApiTermsOfServiceJSON>('v1/instance/terms_of_service');
+
+export const apiGetPrivacyPolicy = () =>
+  apiRequestGet<ApiPrivacyPolicyJSON>('v1/instance/privacy_policy');