章の階層と章名を変更

firmware/docs/getting-started.md

@@ -70,7 +70,7 @@ If you cannot setup xs-dev(CLI) properly, please do this.
 - **Stack-chan RT version assumes that Moddable SDK 4.9.5 and ESP-IDF 5.3.0 will work.**
 - **We have confirmed that intel mac works with Moddable SDK 4.7.0 + ESP-IDF 5.1.0 python 3.9.0. To use it on Intel Macs, you can install it by changing "setup": "xs-dev setup --target-branch 4.9.5" to "setup": "xs-dev setup --target-branch 4.7.0" in firmware/package.json, but it is not supported.**
 
-#### Configuring the Settings
+## Set up PSRAM and Environment Variable
 
 To configure the PSRAM settings, execute the following command.