Implement example .env files

Client/.env.example

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+DEBUG="client:*"
+# Bot Config
+# Discord Bot Token
+TOKEN=""
+# Discord Bot Application ID
+APPLICATION_ID=""
+# Default Guild ID
+GUILD_ID=""
+
+# Audio Config
+AUDIO_DEVICE_ID=""
+AUDIO_DEVICE_NAME=""
+# The level to open the noisegate and play audio to Discord, recommended to set to 10
+AUDIO_NOISE_GATE_OPEN="10"
+
+# Client Config
+CLIENT_ID=
+CLIENT_NAME=""
+CLIENT_IP=""
+CLIENT_PORT=3010
+CLIENT_LOCATION=""
+CLIENT_NEARBY_SYSTEMS=""
+CLIENT_ONLINE=true
+
+# Configuration for the connection to the server
+SERVER_IP=""
+SERVER_HOSTNAME=""
+SERVER_PORT=3000
+
+# Configuration of the local OP25 application
+OP25_BIN_PATH=""