Add "Web" to Element and SchildiChat web application (#3755)

* Replace "Element" with "Element Web"

- If Element indicates the web application, then it is changed to Element Web.
- If it indicates clients branded with Element such as Element desktop, web, mobile clients, then it is changed to Element clients.
- If it is combined with location sharing functionality, it is not changed.

with other some changes, including:

- Change "app.element.io" anchor link to "https://github.com/element-hq/element-web" on README.md, following other documentation files

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Replace "SchildiChat" with "SchildiChat Web"

- If SchildiChat indicates the web application, then it is changed to SchildiChat Web.
- If it indicates clients branded with SchildiChat such as SchildiChat desktop, web, mobile clients, then it is changed to SchildiChat clients.
- If it is combined with location sharing functionality, it is not changed.

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Rename configuring-playbook-client-schildichat.md to configuring-playbook-client-schildichat-web.md

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Rename configuring-playbook-client-element.md to configuring-playbook-client-element-web.md

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

---------

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
Co-authored-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

docs/configuring-playbook-bot-maubot.md

@@ -68,4 +68,4 @@ You should start in the following order
 
 This can be done via `mbc login` then `mbc auth` (see the [maubot documentation](https://docs.mau.fi/maubot/usage/cli/auth.html)). To run these commands, you'll first need to `exec` into the maubot container with `docker exec -it matrix-bot-maubot sh`.
 
-Alternatively, you can follow our generic [obtain an access token](obtaining-access-tokens.md) documentation. Be aware that you'd better use the **Obtain an access token via curl** method (not **Obtain an access token via Element**) as the latter will give your bot issues in encrypted rooms. Read [more](https://docs.mau.fi/maubot/usage/basic.html#creating-clients).
+Alternatively, you can follow our generic [obtain an access token](obtaining-access-tokens.md) documentation. Be aware that you'd better use the **Obtain an access token via curl** method (not **Obtain an access token via Element Web**) as the latter will give your bot issues in encrypted rooms. Read [more](https://docs.mau.fi/maubot/usage/basic.html#creating-clients).