4 new commits pushed to

<https://github.com/jmpsec/osctrl/tree/main|main>

by javuto

<https://github.com/jmpsec/osctrl/commit/c11d881799b80b353fbdc41f4c3508a48b464c4f|c11d8817>

- osctrl-frontend: React admin SPA at frontend/

<https://github.com/jmpsec/osctrl/commit/b36e3b2490cd9768974498b7c6ced56b893f2677|b36e3b24>

- osctrl: follow-up fixes for rounds 1–3

<https://github.com/jmpsec/osctrl/commit/903856b53a6b52b997290e89372f5cdd747541a0|903856b5>

- osctrl-tls: return 413 on body-cap overflow instead of 500

<https://github.com/jmpsec/osctrl/commit/4915b24dac83694058aa3c61d2d42f69ebe98fb6|4915b24d>

- Merge pull request #815 from alvarofraguas/pr/round-3-frontend jmpsec/osctrl