Add RLC-520A firmware shared by @KultusX

README.md

@@ -1121,6 +1121,7 @@ Version | Date | Changes | Notes
   ### IPC_523128M5MP_V2
 Version | Date | Changes | Notes
 --- | --- | --- | ---
+[v3.1.0.2368_23062701](https://support-d.reolink.com/attachments/token/t4dIPW2Qw4zgWGliwvDCbFSGK/?name=IPC_523128M5MP_V2.2368_23062701.RLC-520A.OV05A10.5MP.REOLINK.pak) | 2023‑06‑27 | Add pet detection | [Source 1](https://github.com/AT0myks/reolink-fw-archive/discussions/25)
 [v3.1.0.1228_22082201](https://support.reolink.com/attachments/token/tb9cE1rSuu2Iat6TBCs14Y9ld/?name=IPC_523128M5MP_V2.1228_22082201.RLC-520A.OV05A10.5MP.REOLINK.pak) | 2022‑08‑22 |  | [Source 1](https://www.reddit.com/r/reolinkcam/comments/xpb5jy/firmware_update_520a_fail/iqc2hqf/)<br />[Source 2](https://www.reddit.com/r/reolinkcam/comments/xq2bh6/how_long_has_the_rlc520a_v2_been_available/iqq99u0/)
 
 </details>

firmwares_manual.json

@@ -879,5 +879,15 @@
   {
     "sha256_pak": "50b593442cd39d7f9993c6bc7d1ab2b0f9cb3c1a3d6147f7d553660bdfb5d891",
     "source": "manual"
+  },
+  {
+    "source_urls": [
+      "https://github.com/AT0myks/reolink-fw-archive/discussions/25"
+    ],
+    "sha256_pak": "578cfa5d63578fd1412b77a267e4ba4b81b3231e36371bd95715122ae2fa7e01",
+    "source": "manual",
+    "changelog": [
+      "Add pet detection"
+    ]
   }
 ]