Esp idf json

[Hahihula]

current file format:

{
	"gitPath": "/opt/homebrew/bin/git",
	"idfInstalled": {
		"esp-idf-33c81a13b1614a17aab7061501093847": {
			"activationScript": "/tmp/esp-new/activate_idf_v5.2.3.sh",
			"idfToolsPath": "/tmp/esp-new/v5.2.3/tools",
			"path": "/tmp/esp-new/v5.2.3/esp-idf",
			"python": "/tmp/esp-new/v5.2.3/tools/python/bin/python3",
			"name": "v5.2.3"
		},
		"esp-idf-a258c398f4e64480b658b650d229ee89": {
			"activationScript": "/tmp/esp-new/activate_idf_v5.3.1.sh",
			"idfToolsPath": "/tmp/esp-new/v5.3.1/tools",
			"path": "/tmp/esp-new/v5.3.1/esp-idf",
			"python": "/tmp/esp-new/v5.3.1/tools/python/bin/python3",
			"name": "v5.3.1"
		}
	},
	"idfSelectedId": "esp-idf-33c81a13b1614a17aab7061501093847"
}

the activation script (.sh on POSIX and .ps1 on windows) need to be sourced not executed to create the environment.
But if it's executed with the -e switch it will just print out the env variables and exit

[alirana01]

Regarding the activation script just adding a note here we need some switch so that it can output the environment in key:value pairs for the variables.

[Hahihula]

Regarding the activation script just adding a note here we need some switch so that it can output the environment in key:value pairs for the variables.

https://github.com/espressif/idf-im-lib/pull/34/files
this PR adds the -e switch which will cause the activation script to just print out the variables