Preparations 1. Add _headers file. 2. Supports using Flash to play sounds.

Preparations Version 0.2.0 is Coming. 1. Optimize details.

Preparations 1. Add a jump prompt to the "source code" in the ranking page.

Preparations 

0.0.3f1 - License 1. Modified the License.

0.0.3 - Preparations 1. Fixed some bugs.

0.0.2 - End 

0.0.1 - Preparations 1. Change the `openSourceCode` function to `openWebpage`. 2. Embed the licenses of other projects within this project. 3. Change the license of this project to MIT License instead of BSD 3-Clause License. 4. Modified the CC BY 4.0 license text. 5. Fixed the issue causing an error with cityjson.

Fix some bugs