added trigger test template

test/trigger_test_via_file/template_trigger_test_via_file.yaml

@@ -0,0 +1,39 @@
+zabbix_export:
+  version: '7.0'
+  template_groups:
+    - uuid: cd6848345eb04289b2d5260c10e0d269
+      name: devloop
+  templates:
+    - uuid: d9f7fbdabce94730b3ef17b6f531419c
+      template: 'Trigger Test via File'
+      name: 'Trigger Test via File'
+      description: |
+        Triggers an Alert if file, given by TRIGGER_TEST_FILE macro, exists.
+        
+        This is useful to test your (external) alerting system by just creating a file.
+
+        ... or wakeup the admins during night ...
+      vendor:
+        name: devloop
+        version: '1.0'
+      groups:
+        - name: devloop
+      items:
+        - uuid: 20bd4f01822c48409e72b2ee1cd9df23
+          name: 'Trigger Test File'
+          key: 'vfs.file.exists[{$TRIGGER_TEST_FILE}]'
+          delay: 30s
+          history: 1d
+          trends: 1d
+          triggers:
+            - uuid: 208b46957c3e46c1833de7973b0788f3
+              expression: 'last(/Trigger Test via File/vfs.file.exists[{$TRIGGER_TEST_FILE}])=1'
+              name: 'DRILL - Trigger File'
+              priority: HIGH
+              description: Testalarm
+              manual_close: 'YES'
+      macros:
+        - macro: '{$TRIGGER_TEST_FILE}'
+          value: '/tmp/trigger_test'
+          description: 'File which must exist to trigger. Be aware: everyone as permissions to create files in /tmp'
+