code samples: update README/CONTRIBUTING #1077

Job	Run time
Gradle Wrappers	6s
Code Samples / action_basics	3m 19s
Code Samples / comparing_string_references_inspection	4m 12s
Code Samples / conditional_operator_intention	3m 30s
Code Samples / editor_basics	3m 30s
Code Samples / facet_basics	4m 42s
Code Samples / framework_basics	3m 16s
Code Samples / kotlin_demo	3m 23s
Code Samples / live_templates	3m 26s
Code Samples / max_opened_projects	3m 19s
Code Samples / module	4m 43s
Code Samples / project_model	3m 28s
Code Samples / project_view_pane	3m 13s
Code Samples / project_wizard	3m 15s
Code Samples / psi_demo	3m 17s
Code Samples / run_configuration	3m 8s
Code Samples / simple_language_plugin	3m 33s
Code Samples / tool_window	3m 10s
Code Samples / tree_structure_provider	3m 14s
Code Samples Mirror	25s
	1h 4m 9s

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