API(template class) : Add space after static keyword (#3131)

Author: wKoza

tools/api-builder/angular.io-package/templates/class.template.html

@@ -22,7 +22,7 @@
     {% if doc.statics.length %}
     div(layout="column")
       {% for member in doc.statics %}{% if not member.internal %}
-        pre(class="prettyprint no-bg-with-indent") static
+        pre(class="prettyprint no-bg-with-indent") static 
           a(class="code-anchor" href="#{$ member.name $}-anchor")
             code(class="code-background api-doc-code") {$ member.name | indent(6, false) | trim $}
           code(class="api-doc-code") {$ params.paramList(member.parameters) | indent(8, false) | trim $}{$ params.returnType(member.returnType) $}