♻️ add new a1ads.js

ads/vendors/a1ads.js

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+import {validateData, writeScript} from '#3p/3p';
+
+/**
+ * @param {!Window} global
+ * @param {!Object} data
+ */
+export function a1ads(global, data) {
+  validateData(data, ['adhost', 'a1path', 'adtag', 'sitepage', 'pos'], ['query']);
+
+  let url =
+    'https://' +
+    encodeURIComponent(data.adhost) +
+    '/' +
+    data.a1path +
+    '/' +
+    data.adtag +
+    '/' +
+    data.sitepage +
+    '@' +
+    data.pos;
+
+  if (data.query) {
+    url = url + '?' + data.query;
+  }
+  writeScript(global, url);
+}

ads/vendors/a1ads.md

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+# A1
+
+## Examples
+### Single ad
+```
+<amp-ad
+  width="300"
+  height="250"
+  type="a1ads"
+  data-adhost="AD_SRV_HOSTNAME"
+  data-a1path="/path-to-server"
+  data-adtag="adstream_sx.ads"
+  data-sitepage="adsite/page"
+  data-pos="Top"
+  data-query="keyword=keyvalue&key2=value2"
+>
+</amp-ad>
+```
+
+
+## Configuration
+
+### Required parameters
+`adhost`: Server Hostname start with protocol.
+
+`a1path`: Path of adtag
+
+`adtag`: ads tag name
+
+`sitepage`: Sitepage configured for this ad spot.
+
+`pos`: Position for the this ad spot.
+
+
+### Optional parameters
+`query`: Query parameter to be sent with request. Keywords and keynames, taxonomy etc.