added wiki docs

docs/_assets/edit-link.js

@@ -0,0 +1,28 @@
+function normalizeGithubUrl(url) {
+    if (!url) { return null }
+  
+    var isAlias = !/\/\//.test(url) // no protocol in the url, we assume it's an alias
+    url = isAlias
+      ? 'https://github.com/' + url + '/edit/master/docs/'
+      : url.replace(/^git\+/, '')
+  
+    return url
+  }
+  
+  function install(hook, vm) {
+    var editLinkConfig = vm.config.editLink || {}
+    var text = editLinkConfig.text || 'Edit this page'
+    var cssClass = editLinkConfig.cssClass || 'edit-link'
+    var repoUrl = normalizeGithubUrl(editLinkConfig.repo || vm.config.repo)
+  
+    if (!repoUrl) { throw Error('$docsify.editLink.repo is required. Fix your config.') }
+  
+    hook.afterEach(function (html) {
+      var editLink = '<span style="text-align: right; color:#1FA3EC; font-size:80%">' +
+        '<a href="' + repoUrl + vm.route.file + '" target="_blank" style="text-decoration: none;">' + text + '</a></span>'
+  
+      return editLink + html
+    });
+  }
+  
+  $docsify.plugins = [].concat(install, $docsify.plugins)