Add meter.go

docs/sources/getting-started.md

@@ -18,6 +18,7 @@ Specify the IP address and port number for IPFIX collector
 ipfix:
   addr: 192.0.2.1
   port: 4739
+  ingress-interface: ens192
 ```
 
 ### Run Fluvia Exporter using the fluvia command
@@ -28,10 +29,6 @@ Start the fluvia command. Specify the created configuration file with the -f opt
 $ sudo fluvia -f fluvia.yaml
 ```
 
-> **Note**
-> TODO: Implement `meter.go` to acquire flow data and send it to `exporter.go` via channel ch.
-> Currently, the fluvia command only has an exporter function, and `meter.go` is not implemented yet.
-
 
 ## 2. Fluvia Exporter as a Native IPFIX Exporter Library
 ### Clone this repository