add CNAME to gh-pages, remove .vscode and add it to .gitignore (#890)

Author: maurei

.gitignore

@@ -367,3 +367,6 @@ FodyWeavers.xsd
 
 # Sqlite example databases
 *.db
+
+# VS Code cache/options directory
+.vscode

.vscode/launch.json

@@ -34,6 +34,7 @@ after_build:
             git config --global core.safecrlf false
             git clone https://github.com/json-api-dotnet/JsonApiDotNetCore.git -b gh-pages origin_site -q
             Copy-Item origin_site/.git _site -recurse
+            Copy-Item CNAME _site/CNAME
             CD _site
             git add -A 2>&1
             git commit -m "CI Updates" -q

.vscode/tasks.json

@@ -0,0 +1 @@
+www.jsonapi.net