AutoBuildMarlin

• Recognize .srec as a complete build.
• Remove enableProposedApi from package.json.
• Fix debug env detection.
• Add CHANGELOG.md.
• Update copyright date.

• Fix display of a failed build without a firmware file
• Enquote the IPC file path, for paths with spaces

• Larger built firmware link with firmware filename.

• Fix "Reveal Build" when there are spaces in the path.
• Fix PlatformIO opening platformio.ini when Show on Startup is enabled.

• Display buttons instead of simple links in the sidebar view
• Fix display of native and simulator build targets

• Keep "Show on Startup" in sync with settings

• Fix the 'Show on Startup' checkbox

• Clarify in error messages that Marlin 2.x is required

• Add a "Show on Startup" option for the impatient.
• Include Auto Build Marlin commands in the Command Palette.
• Update YouTube channel URL.

• Recognize an .srec file as a firmware binary

• Added a 'Monitor' button for quick access to PlatformIO serial monitor.
• Fixed visibility of 'Debug' button during native / simulator build.
• Added helpful parentheses to env type comparisons.

Fix handling of multiple boards in a single MB(...) when parsing pins.h.

Suppress a warning when the IPC file already exists.

• Add the ability to locate the binary in the .pio/build/{env}/debug folder
• Add security policy elements to the webView.

• Pass PLATFORMIO_PATH to the terminal as PATH / Path so the platformio exe is found.

• Reveal the latest build if there's more than one.

• Find the simulator binary when it's named "MarlinSimulator."

• Hide the "Run" button during the build

• Remove obsolete command activation events.
• Add "Run" button to start a native target or simulation.

• More strict build exists test
• Support platform-specific native targets