Add support for docker containers, mqtt prefix, environment variables for config, and pip requirements

docker-compose.yml

@@ -0,0 +1,39 @@
+version: '3'
+services:
+
+  mi-scale:
+    container_name: mi-scale
+    build: .
+    restart: always
+
+    network_mode: host
+    privileged: true
+
+    environment:
+      MISCALE_MAC: 00:00:00:00:00:00 # Mac address of your scale
+      MQTT_HOST: 127.0.0.1  # MQTT Server (defaults to 127.0.0.1)
+      MQTT_PREFIX: miScale
+      # MQTT_USERNAME:        # Username for MQTT server (comment out if not required)
+      # MQTT_PASSWORD:        # Password for MQTT (comment out if not required)
+      # MQTT_PORT:            # Defaults to 1883
+      # MQTT_TIMEOUT: 30      # Defaults to 60
+
+      # Auto-gender selection/config -- This is used to create the calculations such as BMI, Water/Bone Mass etc...
+      # Multi user possible as long as weitghs do not overlap!
+
+      USER1_GT: 70            # If the weight is greater than this number, we'll assume that we're weighing User #1
+      USER1_SEX: male
+      USER1_NAME: Jo          # Name of the user
+      USER1_HEIGHT: 175       # Height (in cm) of the user
+      USER1_DOB: "1990-01-01" # DOB (in yyyy-mm-dd format)
+
+      USER2_LT: 35            # If the weight is less than this number, we'll assume that we're weighing User #2
+      USER2_SEX: female
+      USER2_NAME: Serena      # Name of the user
+      USER2_HEIGHT: 95        # Height (in cm) of the user
+      USER2_DOB: "1990-01-01" # DOB (in yyyy-mm-dd format)
+
+      USER3_SEX: female
+      USER3_NAME: Missy       # Name of the user
+      USER3_HEIGHT: 150       # Height (in cm) of the user
+      USER3_DOB: "1990-01-01" # DOB (in yyyy-mm-dd format)