docs(content): add es translations for getting-started and introduction

[Villanuevand]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/analogjs/analog/blob/main/CONTRIBUTING.md#-commit-message-guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added/updated (for bug fixes/features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Other... Please describe:

Which package are you modifying?

• vite-plugin-angular
• vite-plugin-nitro
• astro-angular
• create-analog
• router
• platform
• content
• nx-plugin
• trpc

What is the current behavior?

Closes #

What is the new behavior?

Translate getting-started.md and introduction.md to spanish

Does this PR introduce a breaking change?

• Yes
• No

Other information

[optional] What gif best describes this PR or how it makes you feel?

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[Villanuevand]

@alejandrocuba this is the first step to start to contribute.

You just need to copy files in analog/apps/docs-app /docs/ to analog/apps/docs-app /docs/i18n/es/docusaurus-plugin-content-docs/current

[alejandrocuba]

Thanks for the heads up @Villanuevand! Once this one gets merged, I'll go ahead and create a subsequent PR based on your code changes.

[Villanuevand]

@brandonroberts I'm not sure why build.command is failing.

[brandonroberts]

@Villanuevand the build error should be resolved. Now its failing because of broken links

[Villanuevand]

@brandonroberts yeap!
I'll fix it later today...

[Villanuevand]

@brandonroberts Everything looks fine now.

[alejandrocuba]

Excellent! @Villanuevand I look forward to forking the main branch after PR gets approved and merged to work on top of your changes.