documentation: add JS api docs

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit d9452d1157aef6b8752fac0f4ed1e0b9221abb31)

jsdoc.conf.json

@@ -0,0 +1,22 @@
+{
+    "tags": {
+        "allowUnknownTags": true,
+        "dictionaries": ["jsdoc","closure"]
+    },
+    "source": {
+        "include": ["modules/luci-base/htdocs/luci-static/resources"],
+        "includePattern": ".+\\.js(doc|x)?$"
+    },
+    "plugins": [
+        "plugins/markdown"
+    ],
+    "templates": {
+        "cleverLinks": true,
+        "monospaceLinks": true
+    },
+    "opts": {
+        "destination": "documentation/jsapi",
+        "recurse": true,
+        "readme": "README.md"
+    }
+}