DOCS-2997: Document the l2Bridge network type - #2950

[vale] reported by reviewdog 🐶 [Vale.Spelling] Did you really mean 'sysfs'? Raw Output: {"message":"[Vale.Spelling] Did you really mean 'sysfs'?","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":257,"column":35},"end":{"line":257,"column":40}}},"severity":"ERROR","code":{"value":"Vale.Spelling"}}

[vale] reported by reviewdog 🐶 [Vale.Spelling] Did you really mean 'bool'? Raw Output: {"message":"[Vale.Spelling] Did you really mean 'bool'?","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":235,"column":178},"end":{"line":235,"column":182}}},"severity":"ERROR","code":{"value":"Vale.Spelling"}}

[vale] reported by reviewdog 🐶 [Vale.Spelling] Did you really mean 'stp'? Raw Output: {"message":"[Vale.Spelling] Did you really mean 'stp'?","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":235,"column":3},"end":{"line":235,"column":6}}},"severity":"ERROR","code":{"value":"Vale.Spelling"}}

[vale] reported by reviewdog 🐶 [Vale.Spelling] Did you really mean 'existingBridge'? Raw Output: {"message":"[Vale.Spelling] Did you really mean 'existingBridge'?","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":229,"column":3},"end":{"line":229,"column":17}}},"severity":"ERROR","code":{"value":"Vale.Spelling"}}

reviewdog: Too many results (annotations) in diff. You may miss some annotations due to GitHub limitation for annotation created by logging command. Please check GitHub Actions log console to see all results. Limitation: - 10 warning annotations and 10 error annotations per step - 50 annotations per job (sum of annotations from all the steps) - 50 annotations per run (separate from the job annotations, these annotations aren't created by users) Source: https://github.com/orgs/community/discussions/26680#discussioncomment-3252835

[vale] reported by reviewdog 🐶 [Vale.Spelling] Did you really mean 'managedBridge'? Raw Output: {"message":"[Vale.Spelling] Did you really mean 'managedBridge'?","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":228,"column":3},"end":{"line":228,"column":16}}},"severity":"ERROR","code":{"value":"Vale.Spelling"}}

[vale] reported by reviewdog 🐶 [Vale.Spelling] Did you really mean 'hostConnections'? Raw Output: {"message":"[Vale.Spelling] Did you really mean 'hostConnections'?","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":220,"column":3},"end":{"line":220,"column":18}}},"severity":"ERROR","code":{"value":"Vale.Spelling"}}

[vale] reported by reviewdog 🐶 [Vale.Spelling] Did you really mean 'nodeSelector'? Raw Output: {"message":"[Vale.Spelling] Did you really mean 'nodeSelector'?","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":218,"column":3},"end":{"line":218,"column":15}}},"severity":"ERROR","code":{"value":"Vale.Spelling"}}

[vale] reported by reviewdog 🐶 [Vale.Spelling] Did you really mean 'hostConfig'? Raw Output: {"message":"[Vale.Spelling] Did you really mean 'hostConfig'?","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":158,"column":3},"end":{"line":158,"column":13}}},"severity":"ERROR","code":{"value":"Vale.Spelling"}}

[vale] reported by reviewdog 🐶 [Vale.Spelling] Did you really mean 'vrf'? Raw Output: {"message":"[Vale.Spelling] Did you really mean 'vrf'?","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":151,"column":3},"end":{"line":151,"column":6}}},"severity":"ERROR","code":{"value":"Vale.Spelling"}}

GitHub shows at most 10 annotations per step, and Vale reported 34. The rest are in the log above; the 'github-pr-check' reporter has no such limit.

[vale] reported by reviewdog 🐶 [Vale.Terms] Use 'VLANs' instead of 'vlans'. Raw Output: {"message":"[Vale.Terms] Use 'VLANs' instead of 'vlans'.","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":298,"column":3},"end":{"line":298,"column":8}}},"severity":"WARNING","code":{"value":"Vale.Terms"}}

[vale] reported by reviewdog 🐶 [Vale.Terms] Use '[nN]exthop[s]?' instead of 'nextHop'. Raw Output: {"message":"[Vale.Terms] Use '[nN]exthop[s]?' instead of 'nextHop'.","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":210,"column":3},"end":{"line":210,"column":10}}},"severity":"WARNING","code":{"value":"Vale.Terms"}}

[vale] reported by reviewdog 🐶 [Vale.Terms] Use 'CIDR' instead of 'cidr'. Raw Output: {"message":"[Vale.Terms] Use 'CIDR' instead of 'cidr'.","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":190,"column":3},"end":{"line":190,"column":7}}},"severity":"WARNING","code":{"value":"Vale.Terms"}}

[vale] reported by reviewdog 🐶 [Vale.Terms] Use 'VLAN' instead of 'vlan'. Raw Output: {"message":"[Vale.Terms] Use 'VLAN' instead of 'vlan'.","location":{"path":"calico-enterprise/reference/resources/network.mdx","range":{"start":{"line":164,"column":3},"end":{"line":164,"column":7}}},"severity":"WARNING","code":{"value":"Vale.Terms"}}