Added headless screenshotter (#4495)

headless/screenshot.yaml

@@ -0,0 +1,29 @@
+id: screenshot
+
+info:
+  name: Headless Screenshotter
+  author: V0idC0de,righettod
+  severity: info
+  description: Takes a screenshot of the specified URLS.
+  tags: headless,screenshot
+
+variables:
+  file: "{{Hostname}}"
+
+headless:
+  - steps:
+      - action: setheader
+        args:
+          part: request
+          key: "User-Agent"
+          value: "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:99.0) Gecko/20100101 Firefox/99.0"
+
+      - action: navigate
+        args:
+          url: "{{BaseURL}}"
+
+      - action: waitload
+      - action: screenshot
+        args:
+          fullpage: true
+          to: "{{file}}"