Update cheatsheets

pio-settings

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pio settings
+
+> View and modify PlatformIO settings.
+> More information: <https://docs.platformio.org/en/latest/core/userguide/cmd_settings.html>.
+
+- Display the names, values and descriptions of all PlatformIO settings:
+
+`pio settings get`
+
+- Display the name, value and description of a specific PlatformIO setting:
+
+`pio settings get {{setting}}`
+
+- Set a specific setting value:
+
+`pio settings set {{setting}} {{value}}`
+
+- Reset the values of all modified settings to their factory defaults:
+
+`pio settings reset`