Clear all HTTP request logs (#49)

* Create mutation to clear request logs

* Add UI for clearing all HTTP request logs

* Use consistent naming

* Explicitly delete only from http_requests

* Check if datebase is open

* Add confirmation dialog

admin/src/components/reqlog/hooks/useClearHTTPRequestLog.ts

@@ -0,0 +1,16 @@
+import { gql, useMutation } from "@apollo/client";
+import { HTTP_REQUEST_LOGS } from "./useHttpRequestLogs";
+
+const CLEAR_HTTP_REQUEST_LOG = gql`
+  mutation ClearHTTPRequestLog {
+    clearHTTPRequestLog {
+      success
+    }
+  }
+`;
+
+export function useClearHTTPRequestLog() {
+  return useMutation(CLEAR_HTTP_REQUEST_LOG, {
+    refetchQueries: [{ query: HTTP_REQUEST_LOGS }],
+  });
+}