List Templates Support at an Account Org and Project Level

[thisrohangupta]

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[thisrohangupta]

This pull request introduces a new TemplateService for managing templates across different scopes (account, organization, and project) and adds corresponding data structures to support template metadata operations. It also includes minor dependency updates and formatting fixes.

New Template Management Features:

• Added TemplateService in client/templates.go: Introduced methods ListAccount, ListOrg, and ListProject to retrieve templates from account, organization, and project scopes, respectively. These methods use the TemplateListOptions structure for filtering and pagination.
• Added TemplateListOptions and TemplateMetadataSummaryResponse in client/dto/template.go: Defined new data structures to represent template listing options and metadata summaries, including fields for tags, versioning, and Git details.

Dependency Updates:

• Updated go.mod dependencies: Added github.com/google/uuid v1.6.0 as a direct dependency and removed it from indirect dependencies. [1] [2]

Code Formatting Fixes:

• Fixed import order in pkg/harness/cloudcostmanagement.go: Reordered imports to comply with formatting standards.
• Corrected spacing in pkg/harness/cloudcostmanagement.go: Adjusted spacing in variable assignment for better readability.