chore: Add .gitignore for AWS Terraform module

Author: bogdan-ts

terraform/aws/.gitignore

@@ -0,0 +1,33 @@
+# Terraform files
+*.tfstate
+*.tfstate.*
+*.tfvars
+!terraform.tfvars.example
+.terraform/
+.terraform.lock.hcl
+crash.log
+override.tf
+override.tf.json
+*_override.tf
+*_override.tf.json
+tfplan
+plan.log
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# IDE files
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# Backup files
+*.bak
+*.backup
+
+# SSH keys
+*.pem
+*.key