[8.8] [DOCS] Fix links to ingest content in the obs guide (#158984) (#159165)

# Backport

This will backport the following commits from `main` to `8.8`:
- [[DOCS] Fix links to ingest content in the obs guide
(#158984)](https://github.com/elastic/kibana/pull/158984)

<!--- Backport version: 8.9.7 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"DeDe
Morton","email":"dede.morton@elastic.co"},"sourceCommit":{"committedDate":"2023-06-06T23:05:13Z","message":"[DOCS]
Fix links to ingest content in the obs guide (#158984)\n\n##
Summary\r\n\r\nFixes title and URL used in link to the obs
guide.\r\n\r\nFixes link error
in\r\nhttps://github.com/elastic/observability-docs/pull/2990\r\n\r\n@elastic/kibana-docs
I need someone to tell me what to do with the
link\r\n[here](https://github.com/elastic/kibana/blob/main/x-pack/plugins/observability_onboarding/public/components/app/custom_logs/wizard/configure_logs.tsx#L310).\r\nHere's
the relevant
bit:\r\n\r\n\r\n![image](5b1ba76c-dcb6-4ac9-83fa-0048991cf3b6)\r\n\r\nI
don't know where this UI appears in Kibana, but a user trying to
find\r\ninfo about adding YAML config options to their config is gonna
be SOL\r\nbecause the topic doesn't talk about that at all. What link
should I use\r\ninstead?\r\n\r\n\r\n### Checklist\r\n\r\nDelete any
items that are not applicable to this PR.\r\n\r\n- [x] Any text added
follows [EUI's
writing\r\nguidelines](https://elastic.github.io/eui/#/guidelines/writing),
uses\r\nsentence case text and includes
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Fix links to ingest content in the obs guide (#158984)\n\n##
Summary\r\n\r\nFixes title and URL used in link to the obs
guide.\r\n\r\nFixes link error
in\r\nhttps://github.com/elastic/observability-docs/pull/2990\r\n\r\n@elastic/kibana-docs
I need someone to tell me what to do with the
link\r\n[here](https://github.com/elastic/kibana/blob/main/x-pack/plugins/observability_onboarding/public/components/app/custom_logs/wizard/configure_logs.tsx#L310).\r\nHere's
the relevant
bit:\r\n\r\n\r\n![image](5b1ba76c-dcb6-4ac9-83fa-0048991cf3b6)\r\n\r\nI
don't know where this UI appears in Kibana, but a user trying to
find\r\ninfo about adding YAML config options to their config is gonna
be SOL\r\nbecause the topic doesn't talk about that at all. What link
should I use\r\ninstead?\r\n\r\n\r\n### Checklist\r\n\r\nDelete any
items that are not applicable to this PR.\r\n\r\n- [x] Any text added
follows [EUI's
writing\r\nguidelines](https://elastic.github.io/eui/#/guidelines/writing),
uses\r\nsentence case text and includes
[i18n\r\nsupport](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)","sha":"ef524bb528634e52893c8a6b5042038ae61aa0e5"}},"sourceBranch":"main","suggestedTargetBranches":["8.8"],"targetPullRequestStates":[{"branch":"8.8","label":"v8.8.0","labelRegex":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"main","label":"v8.9.0","labelRegex":"^v8.9.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/158984","number":158984,"mergeCommit":{"message":"[DOCS]
Fix links to ingest content in the obs guide (#158984)\n\n##
Summary\r\n\r\nFixes title and URL used in link to the obs
guide.\r\n\r\nFixes link error
in\r\nhttps://github.com/elastic/observability-docs/pull/2990\r\n\r\n@elastic/kibana-docs
I need someone to tell me what to do with the
link\r\n[here](https://github.com/elastic/kibana/blob/main/x-pack/plugins/observability_onboarding/public/components/app/custom_logs/wizard/configure_logs.tsx#L310).\r\nHere's
the relevant
bit:\r\n\r\n\r\n![image](5b1ba76c-dcb6-4ac9-83fa-0048991cf3b6)\r\n\r\nI
don't know where this UI appears in Kibana, but a user trying to
find\r\ninfo about adding YAML config options to their config is gonna
be SOL\r\nbecause the topic doesn't talk about that at all. What link
should I use\r\ninstead?\r\n\r\n\r\n### Checklist\r\n\r\nDelete any
items that are not applicable to this PR.\r\n\r\n- [x] Any text added
follows [EUI's
writing\r\nguidelines](https://elastic.github.io/eui/#/guidelines/writing),
uses\r\nsentence case text and includes
[i18n\r\nsupport](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)","sha":"ef524bb528634e52893c8a6b5042038ae61aa0e5"}}]}]
BACKPORT-->

Co-authored-by: DeDe Morton <dede.morton@elastic.co>

docs/getting-started/quick-start-guide.asciidoc

@@ -146,7 +146,7 @@ image::images/dashboard_sampleDataAddFilter_8.6.0.png[The [eCommerce] Revenue Da
 [[quick-start-whats-next]]
 == What's next?
 
-*Add your own data.* Ready to add your own data? Go to {observability-guide}/ingest-logs-metrics-uptime.html[Ingest logs, metrics, and uptime data with {agent}], or go to <<connect-to-elasticsearch,Add data to {kib}>> and learn about all the other ways you can add data.
+*Add your own data.* Ready to add your own data? Go to {observability-guide}/observability-get-started.html[Get started with Elastic Observability], or go to <<connect-to-elasticsearch,Add data to {kib}>> and learn about all the ways you can add data.
 
 *Explore your own data in Discover.* Ready to learn more about exploring your data in *Discover*? Go to <<discover, Discover>>.