105 left nav

[dave-fink]

• Added left nav functionality
• Updated breadcrumbs to handle scenario where no index page exists
• Updated breadcrumbs to fix CLS issues
• Fixed 888.de appearing in background on header

Fix #105

Test URLs

• Before: https://main--888de--aemsites.hlx.page/sicherheit-datenschutz/nutzungsvereinbarung
• After: https://105-left-nav--888de--aemsites.hlx.page/sicherheit-datenschutz/nutzungsvereinbarung
• After: https://105-left-nav--888de--aemsites.hlx.page/uber-uns (inner-anchor breadcrumb update)
• After: https://105-left-nav--888de--aemsites.hlx.page/banking/ (inner breadcrumb update)

[aem-code-sync[bot]]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed. In case there are problems, just click a checkbox below to rerun the respective action.

• [ ] Re-run PSI checks
• [ ] Re-sync branch

Commits

* [092df6e](https://github.com/aemsites/888de/commit/092df6e93a5128db62f8f13abf19428b9c477e42) :white_check_mark: (latest) * [72b7c37](https://github.com/aemsites/888de/commit/72b7c377fab70023fb8a911a1d0d560854ce5819) :white_check_mark: * [0a300fe](https://github.com/aemsites/888de/commit/0a300fefabaf826defd212b8120390dbbf4fac95) :white_check_mark: * [dbb78eb](https://github.com/aemsites/888de/commit/dbb78eb8be422f1ec88d82891bd04eb323fdaeb8) :white_check_mark: * [1786f69](https://github.com/aemsites/888de/commit/1786f695ea26588f91e2c6b510bfac470bb89a23) :white_check_mark: * [5f932af](https://github.com/aemsites/888de/commit/5f932af4fc11258182b89b146cbfdc2ffbf828cc) :white_check_mark: * [ec76b9c](https://github.com/aemsites/888de/commit/ec76b9c19b5005e51d0814ffe216c70314586318) :white_check_mark: * [0a10ede](https://github.com/aemsites/888de/commit/0a10ede45a2be79d289bde77c53130e536f9bae7) :white_check_mark: * [190f8e5](https://github.com/aemsites/888de/commit/190f8e5451e887ba33cd9ff25919a7cf737476e8) :white_check_mark: * [1f085aa](https://github.com/aemsites/888de/commit/1f085aa55da68db040d92a1b61b713624ce5bffc) :white_check_mark: * [2357e20](https://github.com/aemsites/888de/commit/2357e201b4600a76738ef3cc00340475ce4224f1) :white_check_mark: * [84538ce](https://github.com/aemsites/888de/commit/84538ce2e81cfacf1db62a7235c0705cf9aa0dd7) :white_check_mark: * [a160831](https://github.com/aemsites/888de/commit/a1608311ad00a20ac0d6a597aa194d4170ef23ff) :x:

[aem-code-sync[bot]]

Page	Scores	Audits
/banking/
/sicherheit-datenschutz/nutzungsvereinbarung
/uber-uns