Add stakeworld bootnodes for polkadot, kusama and westend

[stakeworld]

Hi,

I have setup bootnodes for polkadot, kusama and westend. I also collected some information from previous pr's and did a writeup on setting up bootnodes here.

The bootnodes are hosted on dedicated servers. For every chain the bootnode is accessible via p2p, p2p/ws and p2p/wss with a valid certificate (nginx proxy/letsencrypt).

The node-key is backed up and can be restored to a new server in case of server problems.

All network paths were checked by running polkadot --chain <chain> --base-path /tmp/node --no-hardware-benchmarks --name "Bootnode testnode" --reserved-only --reserved-nodes "<path>" and seeing if we got a connected node.

For example for polkadot:

polkadot --chain polkadot --base-path /tmp/node --no-hardware-benchmarks  --name "Bootnode testnode" --reserved-only --reserved-nodes "/dns/dot-bootnode.stakeworld.io/tcp/30310/p2p/12D3KooWAb5MyC1UJiEQJk4Hg4B2Vi3AJdqSUhTGYUqSnEqCFMFg" 
polkadot --chain polkadot --base-path /tmp/node --no-hardware-benchmarks --name "Bootnode testnode" --reserved-only --reserved-nodes "/dns/dot-bootnode.stakeworld.io/tcp/30311/ws/p2p/12D3KooWAb5MyC1UJiEQJk4Hg4B2Vi3AJdqSUhTGYUqSnEqCFMFg" 
polkadot --chain polkadot --base-path /tmp/node --no-hardware-benchmarks --name "Bootnode testnode" --reserved-only --reserved-nodes "/dns/dot-bootnode.stakeworld.io/tcp/30312/wss/p2p/12D3KooWAb5MyC1UJiEQJk4Hg4B2Vi3AJdqSUhTGYUqSnEqCFMFg" 

This was also done on kusama and westend.

If there are any questions or remarks of course let me know.

Regards,
Max | stakeworld.io

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[ggwpez]

For every chain the bootnode is accessible via p2p, p2p/ws and p2p/wss with a valid certificate (nginx proxy/letsencrypt).

The node-key is backed up and can be restored to a new server in case of server problems.

Thanks!
I will use your MR as example for others of how it should be done.