* doc: update CHIP name on intro pages

Update CHIP to Matter in top-level readme and contributing.md.

Signed-off-by: Grzegorz Ferenc <Grzegorz.Ferenc@nordicsemi.no>

* doc: update CHIP name in generic examples

Updated CHIP to Matter in non-nrfconnect generic examples.

Signed-off-by: Grzegorz Ferenc <Grzegorz.Ferenc@nordicsemi.no>

* doc: update CHIP name on nrfconnect pages

Updated CHIP to Matter on nrfconnect pages.

Signed-off-by: Grzegorz Ferenc <Grzegorz.Ferenc@nordicsemi.no>

* doc: update CHIP name in tool guides

Updated CHIP to Matter in tool guides.
Updated structure of the Android guide.

Signed-off-by: Grzegorz Ferenc <Grzegorz.Ferenc@nordicsemi.no>

* doc: update CHIP name in docs/ files

Changed CHIP to Matter in md files in docs/.

Signed-off-by: Grzegorz Ferenc <Grzegorz.Ferenc@nordicsemi.no>

* Restyled by prettier-markdown

* wordlist: add CSA term

Updated .wordlist with CSA.

Signed-off-by: Grzegorz Ferenc <Grzegorz.Ferenc@nordicsemi.no>

Co-authored-by: Restyled.io <commits@restyled.io>