Clean repository: organized structure and GitOps setup

- Organized root directory structure
- Moved orphan files to proper locations
- Updated .gitignore to ignore temporary files
- Set up Gitea Runner for GitOps automation
- Fixed Tailscale access issues
- Added workflow for automated Nomad deployment

deployment/terraform/shared/versions.tf

@@ -0,0 +1,63 @@
+# Terraform 版本和提供商配置
+terraform {
+  required_version = ">= 1.0"
+  
+  required_providers {
+    # Oracle Cloud Infrastructure
+    oci = {
+      source  = "oracle/oci"
+      version = "7.20.0"
+    }
+    
+    # 华为云
+    huaweicloud = {
+      source  = "huaweicloud/huaweicloud"
+      version = "~> 1.60"
+    }
+    
+    # Google Cloud Platform
+    google = {
+      source  = "hashicorp/google"
+      version = "~> 5.0"
+    }
+    
+    # DigitalOcean
+    digitalocean = {
+      source  = "digitalocean/digitalocean"
+      version = "~> 2.0"
+    }
+    
+    # Amazon Web Services
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+    
+    # 其他常用提供商
+    random = {
+      source  = "hashicorp/random"
+      version = "3.7.2"
+    }
+    
+    tls = {
+      source  = "hashicorp/tls"
+      version = "4.1.0"
+    }
+    
+    local = {
+      source  = "hashicorp/local"
+      version = "2.5.3"
+    }
+    
+    # HashiCorp Vault
+    vault = {
+      source  = "hashicorp/vault"
+      version = "~> 4.0"
+    }
+  }
+  
+  # 后端配置 - 可以使用 S3, GCS, 或本地
+  backend "local" {
+    path = "terraform.tfstate"
+  }
+}