Add support for particle sensors

[melkati]

As with most new features, the tasks necessary to implement this are (open to change):

• Define objetives and implementation
• Include specific data in platformio.ini
• Include in menu
• Include in Preferences
• Add to web configuration (HTML and server endpoint update)
• In deep testing and debugging in all environments
• Update README.md
• Documentation for the web page

[melkati]

Define objetives and implementation

To include particle sensor support to CO2 Gadget.

There is a wide list of sensors with which CO2 gadget is already capable of communicating:

Sensor model	UART	I2C	Detection mode	Status
Honeywell HPMA115S0	Yes	---	Auto	DEPRECATED
Panasonic SN-GCJA5L	Yes	Yes	Auto	STABLE
Plantower models	Yes	---	Auto	STABLE
Nova SDS011	Yes	---	Auto	STABLE
IKEA Vindriktning	Yes	---	Select	STABLE
Sensirion SPS30	Yes	Yes	Select / Auto	STABLE

Now we should include them on the CO2 Gadget workflow, so CO2 Gadget is able to (open to change):

• Configuration (user preferences)
• Read and process data
• Include in integrations as (REST endpoints, MQTT, ESPNow, etc)
• Show on the display
• Set alarms,

My inmediate plan is to:

• Implement a basic configuration, where the user can choose if he wants to use particle sensor, which one and where is connected
• Initialize the sensor and read data from it
• Display data

Things to short out:

• Initially only one serial port will be available, so user must choose if using a serial CO2 sensor (no problem with I2C sensors as SCD30 and SCD40/41) or a particle sensor.
• Displaying data: Many main screens (four?) depending on if there is CO2 and PM sensor or only one of them (and then choose if user select "primary sensor) and it's show bigger on the display and the "secondary" below it, on a small font.

[melkati]

Let's try to use the default GPIOs where possible.

Board model	TX	RX	Notes
ESP32GENERIC	1	3	ESP32 Pio defaults
TTGOT7 / ESP32DEVKIT / D1MINI / NODEFINED	16	17	CanAirIO devices **
TTGO_TDISPLAY	12	13
M5COREINK	14	13
TTGO TQ	18	13
HELTEC	18	17
WEMOSOLED	15	13
ESP32PICOD4	3	1