docs: update links (#9632)

README.md

@@ -383,10 +383,14 @@ For documentation on the latest development code see the [documentation index][d
 - [Graphite](/plugins/parsers/graphite)
 - [Grok](/plugins/parsers/grok)
 - [JSON](/plugins/parsers/json)
+- [JSON v2](/plugins/parsers/json_v2)
 - [Logfmt](/plugins/parsers/logfmt)
 - [Nagios](/plugins/parsers/nagios)
+- [Prometheus](/plugins/parsers/prometheus)
+- [Prometheus Remote Write](/plugins/parsers/prometheusremotewrite)
 - [Value](/plugins/parsers/value), ie: 45 or "booyah"
 - [Wavefront](/plugins/parsers/wavefront)
+- [XPath](/plugins/parsers/xpath) (supports XML, JSON, MessagePack, Protocol Buffers)
 
 ## Serializers
 
@@ -395,6 +399,8 @@ For documentation on the latest development code see the [documentation index][d
 - [Graphite](/plugins/serializers/graphite)
 - [JSON](/plugins/serializers/json)
 - [MessagePack](/plugins/serializers/msgpack)
+- [Prometheus](/plugins/serializers/prometheus)
+- [Prometheus Remote Write](/plugins/serializers/prometheusremotewrite)
 - [ServiceNow](/plugins/serializers/nowmetric)
 - [SplunkMetric](/plugins/serializers/splunkmetric)
 - [Wavefront](/plugins/serializers/wavefront)
@@ -429,10 +435,12 @@ For documentation on the latest development code see the [documentation index][d
 ## Aggregator Plugins
 
 * [basicstats](./plugins/aggregators/basicstats)
+* [derivative](./plugins/aggregators/derivative)
 * [final](./plugins/aggregators/final)
 * [histogram](./plugins/aggregators/histogram)
 * [merge](./plugins/aggregators/merge)
 * [minmax](./plugins/aggregators/minmax)
+* [quantile](./plugins/aggregators/quantile)
 * [valuecounter](./plugins/aggregators/valuecounter)
 
 ## Output Plugins

docs/DATA_FORMATS_INPUT.md

@@ -12,13 +12,14 @@ Protocol or in JSON format.
 - [Grok](/plugins/parsers/grok)
 - [InfluxDB Line Protocol](/plugins/parsers/influx)
 - [JSON](/plugins/parsers/json)
+- [JSON v2](/plugins/parsers/json_v2)
 - [Logfmt](/plugins/parsers/logfmt)
 - [Nagios](/plugins/parsers/nagios)
 - [Prometheus](/plugins/parsers/prometheus)
 - [PrometheusRemoteWrite](/plugins/parsers/prometheusremotewrite)
 - [Value](/plugins/parsers/value), ie: 45 or "booyah"
 - [Wavefront](/plugins/parsers/wavefront)
-- [XML](/plugins/parsers/xml)
+- [XPath](/plugins/parsers/xpath) (supports XML, JSON, MessagePack, Protocol Buffers)
 
 Any input plugin containing the `data_format` option can use it to select the
 desired parser: