docs: refactor taints guide DOC-1272

[addetz]

Describe the Change

This PR refactors the Node Labels and Taints page by splitting it up into two separate pages, one for Taints and one for Node Labels. Both pages use the How-To layout.

Changed Pages

💻 Node Labels
💻 Taints and Tolerations

Jira Tickets

🎫 DOC-1272

Backports

Can this PR be backported?

• Yes. Remember to add the relevant backport labels to your PR.
• No. Please leave a short comment below about why this PR cannot be backported.

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[vault-token-factory-spectrocloud]

Images automagically compressed by Calibre's image-actions ✨

Compression reduced images by 75.6%, saving 1.18 MB.

Filename	Before	After	Improvement	Visual comparison
static/assets/docs/images/clusters_cluster-management_node-labels_cluster-creation-labels.webp	400.00 KB	85.18 KB	-78.7%	View diff
static/assets/docs/images/clusters_cluster-management_node-labels_kubeconfig-download.webp	561.00 KB	114.49 KB	-79.6%	View diff
static/assets/docs/images/clusters_cluster-management_taints_cluster-creation-taints.webp	79.31 KB	77.11 KB	-2.8%	View diff
static/assets/docs/images/clusters_cluster-management_taints_kubeconfig-download.webp	561.00 KB	114.49 KB	-79.6%	View diff

711 images did not require optimisation.

[vault-token-factory-spectrocloud]

Images automagically compressed by Calibre's image-actions ✨

Compression reduced images by 1.8%, saving 5.65 KB.

Filename	Before	After	Improvement	Visual comparison
static/assets/docs/images/clusters_cluster-management_node-labels_cluster-creation-labels.webp	85.18 KB	83.69 KB	-1.7%	View diff
static/assets/docs/images/clusters_cluster-management_node-labels_kubeconfig-download.webp	114.49 KB	112.41 KB	-1.8%	View diff
static/assets/docs/images/clusters_cluster-management_taints_kubeconfig-download.webp	114.49 KB	112.41 KB	-1.8%	View diff

712 images did not require optimisation.

[karl-cardenas-coding]

Great changes. I left some minor suggestions below 🚀

[vault-token-factory-spectrocloud]

💔 Some backports could not be created

Status	Branch	Result
❌	version-4-0	Backport failed because of merge conflicts You might need to backport the following PRs to version-4-0: - docs: DOC-1118 Image Conversion to webp (#2439) - chore: upgrade to docusaurus 3.1.1 (#2135) - docs: Provide missing Autocale information (#1857) DOC-897 - docs: updated URLs to use file path context
❌	version-3-4	Backport failed because of merge conflicts You might need to backport the following PRs to version-3-4: - docs: DOC-1118 Image Conversion to webp (#2439) - docs: DOC-936 DOC-916 DOC-928 DOC-929 zure Permissons (#2077) - docs: Provide missing Autocale information (#1857) DOC-897 - Refactor/restructure cluster & app profiles sections (#1551) - docs: updated URLs to use file path context
❌	version-4-1	Backport failed because of merge conflicts You might need to backport the following PRs to version-4-1: - docs: DOC-1118 Image Conversion to webp (#2439) - chore: upgrade to docusaurus 3.1.1 (#2135)
❌	version-4-2	Backport failed because of merge conflicts You might need to backport the following PRs to version-4-2: - docs: DOC-1118 Image Conversion to webp (#2439) - chore: upgrade to docusaurus 3.1.1 (#2135) - replace caution with warning (#2039)
✅	version-4-3
✅	version-4-4

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backport --pr 3395

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