Docs: add missing metadata in semver page

PR-URL: #1572
Credit: @tripu
Close: #1572
Reviewed-by: @ruyadorno

Author: tripu

docs/content/using-npm/semver.md

@@ -1,3 +1,9 @@
+---
+section: using-npm
+title: semver
+description: The semantic versioner for npm
+---
+
 semver(7) -- The semantic versioner for npm
 ===========================================
 

test/tap/semver-doc.js

@@ -5,8 +5,10 @@ test('semver doc is up to date', function (t) {
   var moddoc = path.join(__dirname, '../../node_modules/semver/README.md')
   var mydoc = path.join(__dirname, '../../docs/content/using-npm/semver.md')
   var fs = require('fs')
-  var mod = fs.readFileSync(moddoc, 'utf8').replace(/semver\(1\)/, 'semver(7)')
+  var mod = fs.readFileSync(moddoc, 'utf8')
+  mod = mod.substr(mod.match(/^## Install$/m).index)
   var my = fs.readFileSync(mydoc, 'utf8')
+  my = my.substr(my.match(/^## Install$/m).index)
   t.equal(my, mod)
   t.end()
 })