Change Details

**Steps to replicate the issue** (include links if applicable): * create a new wiki with a custom domain that includes whitespace, example (note trailing and leading whitespaces as well): ` example .com ` * alternatively: add whitespaces to the domain name in the [tests](https://github.com/wbstack/api/blob/main/tests/Routes/Wiki/CreateTest.php#L54), for example L54 & L61 - the test still runs! **What happens?**: An wiki with whitespace chars in its domain name gets successfully created, which is not a valid domain name and makes the wiki unusable for the user. **What should have happened instead?**: - The API should return an error if a domain name including whitespace characters is submitted - An error messag explaining the situation should be displayed to the user Also we should add test cases for this scenario in these two tests: - https://github.com/wbstack/api/blob/main/tests/Routes/Wiki/CreateTest.php - https://github.com/wbstack/api/blob/main/tests/Helper/DomainValidatorTest.php

**Steps to replicate the issue** (include links if applicable): * create a new wiki with a custom domain that includes whitespace, example (note leading whitespaces): ` example .com` * alternatively: add whitespaces to the domain name in the [tests](https://github.com/wbstack/api/blob/main/tests/Routes/Wiki/CreateTest.php#L54), for example L54 & L61 - the test still runs! **What happens?**: An wiki with whitespace chars in its domain name gets successfully created, which is not a valid domain name and makes the wiki unusable for the user. **What should have happened instead?**: - The API should return an error if a domain name including whitespace characters is submitted - An error messag explaining the situation should be displayed to the user Also we should add test cases for this scenario in these two tests: - https://github.com/wbstack/api/blob/main/tests/Routes/Wiki/CreateTest.php - https://github.com/wbstack/api/blob/main/tests/Helper/DomainValidatorTest.php

**Steps to replicate the issue** (include links if applicable): * create a new wiki with a custom domain that includes whitespace, example (note trailing and leading whitespaces as wells): ` example .com `` * alternatively: add whitespaces to the domain name in the [tests](https://github.com/wbstack/api/blob/main/tests/Routes/Wiki/CreateTest.php#L54), for example L54 & L61 - the test still runs! **What happens?**: An wiki with whitespace chars in its domain name gets successfully created, which is not a valid domain name and makes the wiki unusable for the user. **What should have happened instead?**: - The API should return an error if a domain name including whitespace characters is submitted - An error messag explaining the situation should be displayed to the user Also we should add test cases for this scenario in these two tests: - https://github.com/wbstack/api/blob/main/tests/Routes/Wiki/CreateTest.php - https://github.com/wbstack/api/blob/main/tests/Helper/DomainValidatorTest.php