Change product name and add info on stream layer

[HalynaDumych]

• Change product name in documentation.
• Specify that we support reading data from a stream layer.
• Modify broken links.

Relates-To: OLPEDGE-1867

Signed-off-by: Halyna Dumych ext-halyna.dumych@here.com

[codecov]

Codecov Report

Merging #860 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master    #860   +/-   ##
======================================
  Coverage    78.7%   78.7%           
======================================
  Files         293     293           
  Lines        9978    9978           
======================================
  Hits         7852    7852           
  Misses       2126    2126           

Impacted Files	Coverage Δ
.../include/olp/authentication/AuthenticationClient.h	100.0% <ø> (ø)
...ude/olp/authentication/AuthenticationCredentials.h	100.0% <ø> (ø)
...nclude/olp/authentication/AuthenticationSettings.h	100.0% <ø> (ø)
...thentication/include/olp/authentication/Settings.h	50.0% <ø> (ø)
...ication/include/olp/authentication/TokenEndpoint.h	100.0% <ø> (ø)
...ication/include/olp/authentication/TokenProvider.h	50.0% <ø> (ø)
...k-core/include/olp/core/client/OlpClientSettings.h	100.0% <ø> (ø)
...-read/include/olp/dataservice/read/CatalogClient.h	100.0% <ø> (ø)
...d/include/olp/dataservice/read/StreamLayerClient.h	100.0% <ø> (ø)
...ad/include/olp/dataservice/read/SubscribeRequest.h	100.0% <ø> (ø)
... and 16 more

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