feat: add initial People Playground mod development kit

extracted_wiki_content/snippets/change_environment_settings.txt

@@ -0,0 +1,19 @@
+URL: https://wiki.studiominus.nl/snippets/changeEnvironmentSettings.html
+Title: People Playground Modding - Change environment settings
+==================================================
+
+Change environment settings
+This snippet shows you how to manipulate the environment settings.
+//clone settings because its safer this way or whatever the hell, I don't remember
+var set = MapConfig.Instance.Settings.ShallowClone();
+
+//do whatever
+
+//set.Floodlights = false;
+//set.Rain = true;
+//set.Snow = false;
+//set.Fog = true;
+//etc.
+
+//apply settings
+MapConfig.Instance.ApplySettings(set);