chore: plugins starting with b

plugins/inputs/bcache/README.md

@@ -56,6 +56,7 @@ cache_readaheads
 Using this configuration:
 
 ```toml
+# Read metrics of bcache from stats_total and dirty_data
 [[inputs.bcache]]
   ## Bcache sets path
   ## If not specified, then default is:

plugins/inputs/beanstalkd/README.md

@@ -5,6 +5,7 @@ The `beanstalkd` plugin collects server stats as well as tube stats (reported by
 ## Configuration
 
 ```toml
+# Collects Beanstalkd server and tubes stats
 [[inputs.beanstalkd]]
   ## Server to collect data from
   server = "localhost:11300"

plugins/inputs/beat/README.md

@@ -6,6 +6,8 @@ known to work with Filebeat and Kafkabeat.
 ## Configuration
 
 ```toml
+# Read metrics exposed by Beat
+[[inputs.beat]]
   ## An URL from which to read Beat-formatted JSON
   ## Default is "http://127.0.0.1:5066".
   url = "http://127.0.0.1:5066"

plugins/inputs/bond/README.md

@@ -7,6 +7,7 @@ The plugin collects these metrics from `/proc/net/bonding/*` files.
 ## Configuration
 
 ```toml
+# Collect bond interface status, slaves statuses and failures count
 [[inputs.bond]]
   ## Sets 'proc' directory path
   ## If not specified, then default is /proc

plugins/inputs/burrow/README.md

@@ -8,6 +8,7 @@ Supported Burrow version: `1.x`
 ## Configuration
 
 ```toml
+# Collect Kafka topics and consumers status from Burrow HTTP API.
 [[inputs.burrow]]
   ## Burrow API endpoints in format "schema://host:port".
   ## Default is "http://localhost:8000".