Add front matter

website/docs/node/1-getting-started.md

website/docs/node/10-node-config.md

website/docs/node/11-node-services-config.md

website/docs/node/2-software-dependencies.md

website/docs/node/3-node-firewall.md

website/docs/node/4-node-port-forwarding.md

website/docs/node/5-clock-syncronization.md

website/docs/node/6-tcp-settings.md

website/docs/node/7-node-database.md

website/docs/node/8-node-tarballs.md

website/docs/node/9-generate-creds.md

website/docs/node/_category_.json

website/docs/specifications.md

website/docs/staking/1-getting-started.md

website/docs/staking/2-validator-status.md

website/docs/staking/3-accounts.md

website/docs/staking/4-session-keys.md

website/docs/staking/5-add-validator.md

website/docs/staking/6-on-chain-id.md

website/docs/staking/_category_.json