#526 Provide better exception message if template engine is initialized with wrong content type

[iTob191]

Follow-up to bafa85d

[codecov]

Codecov Report

❌ Patch coverage is 64.28571% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 91.17%. Comparing base (160f364) to head (145a965).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...runtime/src/main/java/gg/jte/runtime/Template.java	64.28%	3 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #529      +/-   ##
============================================
- Coverage     91.22%   91.17%   -0.05%     
- Complexity     1221     1222       +1     
============================================
  Files            76       76              
  Lines          3178     3183       +5     
  Branches        490      489       -1     
============================================
+ Hits           2899     2902       +3     
- Misses          171      173       +2     
  Partials        108      108              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[casid]

Thanks for the PR, can please check my comments?

[casid]

Thanks for the investigation! 👍

Just a little clean-up and then this is good to go.

[casid]

Thanks for your submission @iTob191 💯