feat(settings): add JSON editor indentation option (2 or 4 spaces)#200

Pranav-0440 wants to merge 7 commits intoeclipse-editdor:mastereclipse-editdor/editdor:masterfrom

Pranav-0440:feature/json-editor-settings-cleanPranav-0440/editdor:feature/json-editor-settings-cleanCopy head branch name to clipboard