Add initial KubeJS setup with README, configuration files, and example scripts

- Created README.txt with directory structure and usage information.
- Added common.json, client.json, and web_server.json for configuration settings.
- Introduced example server and startup scripts (main.js) for demonstration.
- Included example textures for blocks and items in the assets directory.

kubejs/config/client.json

@@ -0,0 +1,8 @@
+{
+  "window_title": "",
+  "disable_recipe_book": false,
+  "export_atlases": false,
+  "blur_scaled_pack_icon": true,
+  "custom_stack_size_text": true,
+  "shrink_stack_size_text": true
+}

kubejs/config/common.json

@@ -0,0 +1,16 @@
+{
+  "hide_server_script_errors": false,
+  "server_only": false,
+  "announce_reload": true,
+  "packmode": "",
+  "save_dev_properties_in_config": false,
+  "allow_async_streams": true,
+  "match_json_recipes": true,
+  "ignore_custom_unique_recipe_ids": false,
+  "startup_error_gui": true,
+  "startup_error_report_url": "",
+  "remove_slot_limit": false,
+  "default_max_stack_size": 0,
+  "creative_mode_tab_icon": {},
+  "creative_mode_tab_name": null
+}

kubejs/config/web_server.json

@@ -0,0 +1,6 @@
+{
+  "enabled": true,
+  "port": 61423,
+  "public_address": "",
+  "auth": "XBOSSC1-zyyA1JJ7rO_8zzJwodH9_Szk7tLwj1tt-6cb"
+}