updating docs (#1)

README.md

@@ -26,6 +26,106 @@ This action has no inputs.
 
 ## Usage Examples
 
+### Basic Validation
+```yaml
+steps:
+  - name: Checkout code
+    uses: CSVD/gh-actions-checkout@v4
+
+  - name: Setup Terraform
+    uses: CSVD/gh-actions-setup-terraform@v2
+    with:
+      terraform_version: '1.7.3'
+
+  - name: Validate Terraform Configuration
+    id: validate
+    uses: CSVD/terraform-validate@v1
+    with:
+      working-directory: './terraform'
+
+  - name: Check Validation Result
+    if: steps.validate.outputs.is_valid != 'true'
+    run: |
+      echo "Validation errors found:"
+      echo "${{ steps.validate.outputs.stderr }}"
+      exit 1
+```
+
+### Validation with Backend Config
+```yaml
+steps:
+  - name: Validate with Backend Config
+    id: validate
+    uses: CSVD/terraform-validate@v1
+    with:
+      working-directory: './environments/prod'
+      backend-config: |
+        region=us-east-1
+        bucket=my-terraform-state
+        key=prod/terraform.tfstate
+
+  - name: Show Validation Output
+    run: |
+      echo "Validation stdout:"
+      echo "${{ steps.validate.outputs.stdout }}"
+```
+
+### Validation with Variables File
+```yaml
+steps:
+  - name: Validate with Variables
+    id: validate
+    uses: CSVD/terraform-validate@v1
+    with:
+      working-directory: './modules/app'
+      var-file: './environments/test.tfvars'
+```
+
+### Complete Workflow with Tests
+```yaml
+name: Terraform Quality Checks
+
+on:
+  pull_request:
+    paths:
+      - '**.tf'
+      - '**.tfvars'
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: CSVD/gh-actions-checkout@v4
+
+      - name: Setup Terraform
+        uses: CSVD/gh-actions-setup-terraform@v2
+        with:
+          terraform_version: '1.7.3'
+
+      - name: Validate and Test
+        id: validate
+        uses: CSVD/terraform-validate@v1
+        with:
+          working-directory: './terraform'
+          var-file: './config/dev.tfvars'
+
+      - name: Process Results
+        run: |
+          if [[ "${{ steps.validate.outputs.is_valid }}" != "true" ]]; then
+            echo "::error::Validation failed"
+            echo "${{ steps.validate.outputs.stderr }}"
+            exit 1
+          fi
+          
+          if [[ "${{ steps.validate.outputs.tests_passed }}" != "true" ]]; then
+            echo "::error::Tests failed"
+            echo "${{ steps.validate.outputs.stderr }}"
+            exit 1
+          fi
+          
+          echo "All validation and tests passed!"
+```
 
 ## Requirements
 - Terraform must be installed in the runner environment (typically using `hashicorp/setup-terraform` action)