fix: improvements for login and oidc (#227)

* add csrf

* caching

* caching

* caching

* caching

* security headers

* csp and security headers

* error handler csp

* select user with display name

* csp

* user selection styling

* username to loginname

* regenerate grpc

* regenerate

* change to login name

internal/login/static/resources/scripts/copy_to_clipboard.js

@@ -0,0 +1,6 @@
+const copyToClipboard = str => {
+    navigator.clipboard.writeText(str);
+}
+
+let copyButton = document.getElementsByClassName("copy")[0];
+copyButton.addEventListener("click", copyToClipboard(copyButton.getAttribute("data-copy").value));