winston-logger, tsconfig for webpack (#6)

.env

@@ -8,6 +8,11 @@
 #   APP_URL=mywebsite.com
 #   SUPPORT_EMAIL=support@${APP_URL}
 
+# Description: Application name. Used in logs.
+# Type: string
+# Default: NEST
+APP_NAME=WAISY
+
 # Description: Node environment
 # Type: string
 # Options: production, development, test
@@ -18,3 +23,15 @@ NODE_ENV=production
 # Type: number
 # Default: 3000
 PORT=3000
+
+# Description: Logger level
+# Type: string
+# Options: debug, info, warn, error, fatal
+# Default: warn
+LOGGER_LEVEL=warn
+
+# Description: Logger format
+# Type: string
+# Options: json, pretty
+# Default: json
+LOGGER_FORMAT=json