Add Nursultan client and native libraries for multiple platforms

clients/vanilla/jars/Nursultan.jar

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+version https://git-lfs.github.com/spec/v1
+oid sha256:4639179f54654a86bfad674d38eac8368ae228e9a7e8a45f85d9a8cccf0ff186
+size 91338204

misc/natives-lwjgl336-linux.zip

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+version https://git-lfs.github.com/spec/v1
+oid sha256:5265da3dc634bc508c5f7af3ba6b2b941f52dc11731b319185a5d5fc7cab26ab
+size 1609086

misc/natives-lwjgl336-macos-arm64.zip

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+version https://git-lfs.github.com/spec/v1
+oid sha256:d843455ce34ff37a8fa8db47a2ab9ebdab53967c95364de5a538dff8f6e060db
+size 1090615

misc/natives-lwjgl336-macos-x64.zip

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+version https://git-lfs.github.com/spec/v1
+oid sha256:fba0e515608ea7864101612c07e3878ea39358c09f8a85f0821260c502c82902
+size 1229364

misc/natives-lwjgl336-windows.zip

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+version https://git-lfs.github.com/spec/v1
+oid sha256:4afb1f48eff28d797ff752418fd5c92250114ce4f2e4187ea30603b7d62e71b7
+size 1792142

static/clients.json

@@ -1,4 +1,20 @@
 [
+  {
+    "client_type": "default",
+    "created_at": "2026-11-10T20:15:38.132561+00:00",
+    "downloads": 0,
+    "filename": "Nursultan.jar",
+    "id": 75,
+    "launches": 0,
+    "lwjglVersion": "3.3.6",
+    "main_class": "net.minecraft.client.main.Main",
+    "md5_hash": "b8a8027e453bfc9a9ffe22489ffb42be",
+    "name": "Nursultan",
+    "show": true,
+    "size": 87,
+    "version": "1.16.5",
+    "working": true
+  },
   {
     "client_type": "default",
     "created_at": "2026-10-11T18:41:57.089+00:00",