added files to gitignore

.gitignore

@@ -1,4 +1,12 @@
 _site/
 .sass-cache/
 .jekyll-metadata
-originals/plantuml-diagrams/.gradle
+.gradle
+.idea/*
+.DS_Store
+originals/plantuml-diagrams/.idea
+originals/plantuml-diagrams/.idea
+originals/plantuml-diagrams/.settings
+originals/plantuml-diagrams/.classpath
+originals/plantuml-diagrams/.project
+originals/plantuml-diagrams/docs.arc42.org.plantUML.iml

_pages/section-2.md

@@ -30,4 +30,4 @@ Simple tables of constraints with explanations. If needed you can subdivide them
 {% include further-info.md
    category="constraints"
    topic="constraints"
-   faqlink="http://faq.arc42.org/category_c/#c-sec-2" %}
+   faqlink="https://faq.arc42.org/category_c/#c-sec-2" %}