The project must be tested in an application linked against libharfbuzz with WASM shaper enabled. Since it's not easy to build a library like this, I make a Doc

The project must be tested in an application linked against libharfbuzz with WASM shaper enabled. Since it's not easy to build a library like this, I make a Docker image which contains both the ttf file and a modified gedit, so that anyone can test the project with a single command.