Adding ewattch devices (#819)

adding following devices: Squid pro, squid, tyness, ambiance, tynode

vendor/ewattch/ambiance-codec.yaml

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+# Uplink decoder decodes binary data uplink into a JSON object (optional)
+# For documentation on writing encoders and decoders, see: https://www.thethingsindustries.com/docs/integrations/payload-formatters/javascript/
+uplinkDecoder:
+  fileName: ewattchlorawandecoder.js
+  # Examples (optional)

vendor/ewattch/ambiance.yaml

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+name: ambiance # Device name can not contain the vendor name
+description: LoRa® – 5 in 1 sensor to measure Temperature, CO2, brightness, humidity and presence.
+
+# Hardware versions (optional, use when you have revisions)
+hardwareVersions:
+  - version: '1.0'
+    numeric: 1
+
+# Firmware versions (at least one is mandatory)
+firmwareVersions:
+  - # Firmware version
+    version: '1.0'
+    numeric: 1
+    # Corresponding hardware versions (optional)
+    hardwareVersions:
+      - '1.0'
+
+    # Firmware features (optional)
+    # Valid values are: remote rejoin (trigger a join from the application layer), transmission interval (configure how
+    # often he device sends a message).
+    features:
+      - remote rejoin
+      - transmission interval
+
+    # LoRaWAN Device Profiles per region
+    # Supported regions are EU863-870, US902-928, AU915-928, AS923, CN779-787, EU433, CN470-510, KR920-923, IN865-867,
+    # RU864-870
+    profiles:
+      EU863-870:
+        # Optional identifier of the vendor of the profile. When you specify the vendorID, the profile is loaded from
+        # the vendorID's folder. This allows you to reuse profiles from module or LoRaWAN end device stack vendors.
+        # If vendorID is empty, the current vendor ID is used. In this example, the vendorID is the current vendor ID,
+        # which is verbose.
+        vendorID:
+        # Identifier of the profile (lowercase, alphanumeric with dashes, max 36 characters)
+        id: ewattch-profile-868
+        lorawanCertified: true
+        codec: ambiance-codec
+
+# Type of device (optional)
+# Valid values are: devkit, module, cots
+deviceType: cots
+
+# Sensors that this device features (optional)
+# Valid values are:
+# 4-20 ma, accelerometer, altitude, analog input, auxiliary, barometer, battery, button, bvoc, co, co2, conductivity, current, digital input,
+# digital output, dissolved oxygen, distance, dust, energy, gps, gyroscope, h2s, hall effect, humidity, iaq, infrared, leaf wetness, level,
+# light, lightning, link, magnetometer, moisture, motion, nfc, no, no2, o3, occupancy, optical meter, particulate matter, ph, pir,
+# pm2.5, pm10, potentiometer, power, precipitation, pressure, proximity, pulse count, pulse frequency, radar, rainfall, reed switch, rssi,
+# sap flow, smart valve, smoke, snr, so2, solar radiation, sound, strain, surface temperature, switch, temperature, tilt, time, turbidity,
+# tvoc, uv, vapor pressure, velocity, vibration, voltage, water potential, water, weight, wifi ssid, wind direction, wind speed.
+sensors:
+  - co2
+  - humidity
+  - iaq
+  - battery
+  - light
+  - motion
+  - temperature
+
+# Dimensions in mm (optional)
+# Use width, height, length and/or diameter
+dimensions:
+  width: 25
+  length: 86
+  height: 86
+
+# Weight in grams (optional)
+weight: 80
+
+# Battery information (optional)
+battery:
+  replaceable: true
+  type: AA
+
+# Operating conditions (optional)
+operatingConditions:
+  # Temperature (Celsius)
+  temperature:
+    min: 5
+    max: 60
+  # Relative humidity (fraction of 1)
+  relativeHumidity:
+    min: 0.10
+    max: 0.80
+
+# IP rating (optional)
+ipCode: IP20
+
+# Key provisioning (optional)
+# Valid values are: custom (user can configure keys), join server and manifest.
+keyProvisioning:
+  - custom
+  - join server
+
+# Key programming (optional)
+# Valid values are: bluetooth, nfc, wifi, ethernet (via a webpage), serial (when the user has a serial interface to set the keys)
+# and firmware (when the user should change the firmware to set the keys).
+keyProgramming:
+  - serial
+
+# Key security (optional)
+# Valid values are: none, read protected and secure element.
+keySecurity: none
+
+# Firmware programming (optional)
+# Valid values are: serial (when the user has a serial interface to update the firmware), ethernet, fuota lorawan (when the device
+# supports LoRaWAN FUOTA via standard interfaces) and fuota other (other wireless update mechanism).
+firmwareProgramming:
+  - serial
+
+# Product and data sheet URLs (optional)
+productURL: https://ewattch.com/en/capteurs-lora-iot/capteur-iot-lora-lorawan-ambiance/
+dataSheetURL: https://ewattch-documentation.com/?page_id=1232&lang=en
+
+# Photos
+photos:
+  main: ambiance.png # Image needs to have a transparent background
+
+# Youtube or Vimeo Video (optional)
+videos:
+  main: https://youtu.be/GVIfryrDYrQ
+
+# Regulatory compliances (optional)
+compliances:
+  safety:
+    - body: IEC
+      norm: EN
+      standard: '61010'
+  radioEquipment:
+    - body: IEC
+      norm: EN
+      standard: 61000-6-2
+    - body: IEC
+      norm: EN
+      standard: 61000-6-3
+    - body: IEC
+      norm: EN
+      standard: '55022'
+    - body: IEC
+      norm: EN
+      standard: '300220'