Update documentation links to use gh-pages, and add action to publish gh-pages from Yard docs.

Author: gkellogg

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
         ruby:
           - 2.6
           - 2.7
-          - 3.0
+          - "3.0"
           - 3.1
           - ruby-head
           - jruby

.github/workflows/generate-docs.yml

@@ -0,0 +1,27 @@
+name: Build & deploy documentation
+on:
+  push:
+    branches:
+      - master
+  workflow_dispatch:
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Update gh-pages with docs
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v2
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.1"
+      - name: Install required gem dependencies
+        run: gem install yard --no-document
+      - name: Build YARD Ruby Documentation
+        run: yardoc
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./doc/yard
+          publish_branch: gh-pages

Rakefile

@@ -24,7 +24,7 @@ task :clean do
 end
 
 file "etc/doap.nt" do
-  sh "rdf serialize https://ruby-rdf.github.com/rdf/etc/doap.ttl --output etc/doap.nt"
+  sh "rdf serialize https://ruby-rdf.github.io/rdf/etc/doap.ttl --output etc/doap.nt"
 end
 
 FOAF_SUBJECTS = {

lib/rdf/spec/http_adapter.rb

@@ -12,7 +12,7 @@
   before(:each) {WebMock.disable_net_connect!}
   after(:each) {WebMock.allow_net_connect!}
 
-  let(:uri) {"http://ruby-rdf.github.com/rdf/etc/doap.nt"}
+  let(:uri) {"https://ruby-rdf.github.io/rdf/etc/doap.nt"}
 
   let(:opened) {double("opened")}
   before(:each) do

rdf-spec.gemspec

@@ -10,6 +10,13 @@ Gem::Specification.new do |gem|
   gem.license            = 'Unlicense'
   gem.summary            = 'RSpec extensions for RDF.rb.'
   gem.description        = 'RDF.rb extension that provides RSpec matchers and shared examples for RDF objects.'
+  gem.metadata           = {
+    "documentation_uri" => "https://ruby-rdf.github.io/rdf-spec",
+    "bug_tracker_uri"   => "https://github.com/ruby-rdf/rdf-spec/issues",
+    "homepage_uri"      => "https://github.com/ruby-rdf/rdf-spec",
+    "mailing_list_uri"  => "https://lists.w3.org/Archives/Public/public-rdf-ruby/",
+    "source_code_uri"   => "https://github.com/ruby-rdf/rdf-spec",
+  }
 
   gem.authors            = ['Arto Bendiken', 'Ben Lavender', 'Gregg Kellogg']
   gem.email              = 'public-rdf-ruby@w3.org'