Add Google Cloud K3s infrastructure support

- Add Terraform configuration for GCP instance and storage
- Add startup script for K3s installation and configuration
- Add pipeline scripts for deployment and management
- Add Forgejo deployment manifests and configuration

gcloud/tf/scripts/run_tofu.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+# Get the directory where the script is located
+SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
+cd "$SCRIPT_DIR" || { echo "Failed to change directory to $SCRIPT_DIR"; exit 1; }
+TF_DIR="../"
+
+cd "$TF_DIR" || { echo "Failed to change directory to $TF_DIR"; exit 1; }
+
+if [[ -d ".terraform" && -f ".terraform.lock.hcl" ]]; then
+    echo "✅ Terraform already initialized"
+    # tofu init
+else 
+    echo "⚠️ Initializing Terraform..."
+    tofu init
+fi
+
+if [[ $? -ne 0 ]]; then
+    echo "❌ tofu init failed, please check the output above"
+    exit 1
+fi
+
+# tofu apply with auto-approve to make it non-interactive
+tofu apply -auto-approve
+
+if [[ $? -ne 0 ]]; then
+    echo "❌ tofu apply failed, please check the output above"
+    exit 1
+fi