resize images in Github

After dragging and dropping, the image size is adjusted accordingly in Github issue or pull request.

Problem: When your Take a screenshot and drag and drop the image and copy and paste it into the comment of a github issue or pull request, the image offten shows larger than expected. Solution: You can resize the image as you like by dragging and dropping. HowTo: Take a screenshot and drag and drop the image and copy and paste it into the comment of a github issue or pull request, Then Add query parameters to he image URL. - github will set a default width of 400 if no width parameter set. -  - add a width parameter to the image URL -  - add a height parameter to the image URL -  - also add a width and a height parameter to the image URL -