chore: tf gh actions

[eugbyte]

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[Copilot]

Pull Request Overview

This PR makes configuration and tooling improvements including removing hardcoded credentials, adding GitHub Actions workflows for deployment, and fixing code formatting issues.

• Removed hardcoded Google OAuth and email credentials from development configuration
• Added deployment workflow with Terraform integration for Azure infrastructure
• Fixed import organization and code formatting across TypeScript files

Reviewed Changes

Copilot reviewed 6 out of 8 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/evently.client/src/routes/gatherings/-components/filter-bar.tsx	Consolidated React imports into a single import statement
src/evently.client/src/routeTree.gen.ts	Applied consistent code formatting (quotes, semicolons, indentation)
src/Evently.Server/appsettings.Development.json	Replaced hardcoded credentials with placeholder values
src/Evently.Server/Features/Gatherings/Services/GatheringService.cs	Split long LINQ where clause across multiple lines for readability
.github/workflows/deploy.yml	Added new deployment workflow with Terraform and Azure integration
.github/workflows/build.yml	Modified build workflow to add Terraform validation and remove push trigger on main

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