Add a default picture in static folder, and instead of null, the blog would present this image instead when a blog does not have image.
### What type of PR is it?
[Bug Fix | Improvement | Feature | Documentation | Hot Fix | Refactoring]
improvement
### Todos
* [ ] draw a default image
- [ ] replace null with default
### What is the Github issue?
[#26 ] https://github.com/NTUEEInfoDep/NTUEECourseMap/issues/26
### How should this be tested?
Screenshots (if appropriate)
Questions:
Do the license files need updating? Yes/No
Are there breaking changes for older versions? Yes/No
What is this PR for?
Add a default picture in static folder, and instead of null, the blog would present this image instead when a blog does not have image. ### What type of PR is it? [Bug Fix | Improvement | Feature | Documentation | Hot Fix | Refactoring] improvement ### Todos * [ ] draw a default image - [ ] replace null with default ### What is the Github issue? [#26 ] https://github.com/NTUEEInfoDep/NTUEECourseMap/issues/26 ### How should this be tested?Screenshots (if appropriate)
Questions: