feat(modelarmor): Added snippets for Create Template with labels and metadata

[harshnasitcrest]

Added Model Armor Snippets:

1. Create Template
2. Create Template with labels
3. Create Template with metadata

[snippet-bot[bot]]

Here is the summary of changes.

You are about to add 2 region tags.

• modelarmor/api/ModelArmor.Samples/CreateTemplateWithLabels.cs:17, tag modelarmor_create_template_with_labels
• modelarmor/api/ModelArmor.Samples/CreateTemplateWithMetadata.cs:17, tag modelarmor_create_template_with_metadata

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[amanda-tarafa]

Please fix conflicts so that we can run tests and merge.

[harshnasitcrest]

Please fix conflicts so that we can run tests and merge.

Done

[harshnasitcrest]

@Anu4396 @purva9413 I've resolved the merge conflicts on this PR and incorporated feedback from previous PRs. Please review and merge if it looks good.

[harshnasitcrest]

@purva9413 Did you get a chance to review this PR?