Adds skeleton pages for gunzip and inflate. (#29214)

akka-docs/src/main/paradox/stream/operators/Compression/gunzip.md

@@ -0,0 +1,26 @@
+# Compression.gunzip
+
+Creates a flow that gzip-decompresses a stream of ByteStrings.  
+
+@ref[Compression operators](../index.md#compression-operators)
+
+## Signature
+
+@apidoc[Compression.gunzip](stream.*.Compression$) { scala="#gunzip(maxBytesPerChunk:Int):akka.stream.scaladsl.Flow[akka.util.ByteString,akka.util.ByteString,akka.NotUsed]" java="#gunzip(int)" }
+
+## Description
+
+Creates a flow that gzip-decompresses a stream of ByteStrings. If the input is truncated, uses invalid 
+compression method or is invalid (failed CRC checks) this operator fails with a `java.util.zip.ZipException`. 
+
+## Reactive Streams semantics
+
+@@@div { .callout }
+
+**emits** when the decompression algorithm produces output for the received `ByteString` (the emitted `ByteString` is of `maxBytesPerChunk` maximum length)
+
+**backpressures** when downstream backpressures
+
+**completes** when upstream completes
+
+@@@

akka-docs/src/main/paradox/stream/operators/Compression/inflate.md

@@ -0,0 +1,25 @@
+# Compression.inflate
+
+Creates a flow that deflate-decompresses a stream of ByteStrings. 
+
+@ref[Compression operators](../index.md#compression-operators)
+
+## Signature
+
+@apidoc[Compression.indeflate](stream.*.Compression$) { scala="#inflate(maxBytesPerChunk:Int,nowrap:Boolean):akka.stream.scaladsl.Flow[akka.util.ByteString,akka.util.ByteString,akka.NotUsed]" java="#inflate(int,boolean)" }
+
+## Description
+
+Creates a flow that deflate-decompresses a stream of ByteStrings.
+
+## Reactive Streams semantics
+
+@@@div { .callout }
+
+**emits** when the compression algorithm produces output for the received `ByteString` (the emitted `ByteString` is of `maxBytesPerChunk` maximum length)
+
+**backpressures** when downstream backpressures
+
+**completes** when upstream completes (may emit finishing bytes in an extra `ByteString` )
+
+@@@

akka-docs/src/main/paradox/stream/operators/index.md

@@ -333,7 +333,9 @@ Flow operators to (de)compress.
 | |Operator|Description|
 |--|--|--|
 |Compression|<a name="deflate"></a>@ref[deflate](Compression/deflate.md)|Creates a flow that deflate-compresses a stream of ByteStrings. |
+|Compression|<a name="gunzip"></a>@ref[gunzip](Compression/gunzip.md)|Creates a flow that gzip-decompresses a stream of ByteStrings.  |
 |Compression|<a name="gzip"></a>@ref[gzip](Compression/gzip.md)|Creates a flow that gzip-compresses a stream of ByteStrings.  |
+|Compression|<a name="inflate"></a>@ref[inflate](Compression/inflate.md)|Creates a flow that deflate-decompresses a stream of ByteStrings. |
 
 ## Error handling
 
@@ -439,11 +441,13 @@ For more background see the @ref[Error Handling in Streams](../stream-error.md)
 * [grouped](Source-or-Flow/grouped.md)
 * [groupedWeightedWithin](Source-or-Flow/groupedWeightedWithin.md)
 * [groupedWithin](Source-or-Flow/groupedWithin.md)
+* [gunzip](Compression/gunzip.md)
 * [gzip](Compression/gzip.md)
 * [head](Sink/head.md)
 * [headOption](Sink/headOption.md)
 * [idleTimeout](Source-or-Flow/idleTimeout.md)
 * [ignore](Sink/ignore.md)
+* [inflate](Compression/inflate.md)
 * [initialDelay](Source-or-Flow/initialDelay.md)
 * [initialTimeout](Source-or-Flow/initialTimeout.md)
 * [interleave](Source-or-Flow/interleave.md)