added config files to run exercises direclty from GitHub repo

Author: Michadelic

.gitignore

@@ -0,0 +1,17 @@
+# files to ignore for git
+.idea
+.che
+fioriHtmlRunner.html
+.*/fioriHtmlRunner.html
+visual_ext_index.html
+/webapp/visual_ext_index.html
+extended_runnable_file.html
+.*/extended_runnable_file.html
+sap-ui-cachebuster-info.json
+mock_preview_sapui5.html
+.*/mock_preview_sapui5.html
+UIAdaptation_index.html
+changes_preview.js
+AppVariant_index.html
+APIExternalProducer.js
+.*/APIExternalProducer.js