chore(build): add doc scripts

relates fgpv-vpgf/fgpv-vpgf#910

.jsdoc.json

@@ -0,0 +1,15 @@
+{
+    "tags": {
+        "allowUnknownTags": true,
+        "dictionaries": ["jsdoc","closure"]
+    },
+    "source": {
+        "includePattern": ".+\\.js(doc)?$",
+        "excludePattern": "(^|\\/|\\\\)_"
+    },
+    "plugins": [ "plugins/markdown" ],
+    "templates": {
+        "cleverLinks": false,
+        "monospaceLinks": false
+    }
+}

package.json

@@ -15,6 +15,7 @@
     "del": "^2.0.2",
     "dgeni": "^0.4.1",
     "dgeni-packages": "^0.11.1",
+    "docdash": "https://github.com/alyec/docdash#master",
     "gulp": "^3.9.0",
     "gulp-babel": "^5.2.1",
     "gulp-concat": "^2.6.0",
@@ -33,6 +34,8 @@
     "gulp-tar": "^1.5.0",
     "gulp-uglify": "~1.4.1",
     "gulp-zip": "^3.0.2",
+    "http-server": "^0.6.1",
+    "jsdoc": "^3.4.0",
     "jshint-stylish": "^2.0.1",
     "lodash": "^3.10.1",
     "proj4": "^2.3.12",
@@ -48,6 +51,8 @@
     "yargs": "^5.0.0"
   },
   "scripts": {
+    "doc": "./node_modules/.bin/jsdoc -p -r -c .jsdoc.json -t node_modules/docdash -R README.md -d ./docbuild -u ./docs/content ./src",
+    "servedoc": "npm run doc && ./node_modules/.bin/http-server -p 6004 ./docbuild",
     "test": "gulp test"
   },
   "repository": {