docs: 10180 Fix SDK (#10237)

* docs: Fix Cosmos-sdk references in md files

* Fix SDK to Cosmos SDK in all found places and adjust grammar in turn

* Add changelog entry

* Update docs/core/context.md

Co-authored-by: Barrie Byron <barrie.byron@tendermint.com>

* Update docs/architecture/adr-010-modular-antehandler.md

Co-authored-by: Barrie Byron <barrie.byron@tendermint.com>

* Update docs/basics/README.md

Co-authored-by: Barrie Byron <barrie.byron@tendermint.com>

* Update docs/architecture/adr-040-storage-and-smt-state-commitments.md

Co-authored-by: Barrie Byron <barrie.byron@tendermint.com>

* Update docs/building-modules/intro.md

Co-authored-by: Barrie Byron <barrie.byron@tendermint.com>

* Update docs/building-modules/intro.md

Co-authored-by: Barrie Byron <barrie.byron@tendermint.com>

* Update docs/core/baseapp.md

Co-authored-by: Barrie Byron <barrie.byron@tendermint.com>

* Update docs/building-modules/intro.md

Co-authored-by: Barrie Byron <barrie.byron@tendermint.com>

* Update docs/basics/accounts.md

Co-authored-by: Barrie Byron <barrie.byron@tendermint.com>

* docs 10180 fix 'an Cosmos SDK' where used

Co-authored-by: Barrie Byron <barrie.byron@tendermint.com>
Co-authored-by: Amaury <1293565+amaurym@users.noreply.github.com>
Co-authored-by: Robert Zaremba <robert@zaremba.ch>

docs/using-the-sdk/README.md

@@ -3,7 +3,7 @@ parent:
   order: false
 -->
 
-# Using the SDK
+# Using the Cosmos SDK
 
 - [Modules](../../x/README.md)
 - [Simulation](../core/simulation.md)