Update to README.md containing instructions on how to add a feature.
More instructions
Fixing icon alignment in dropdown menus.
Reset branch README.md, and moving old contents to CONTRIBUTING.md.
Merge pull request #129 from Hutchy68/fix-icon-alignment

Fixing icon alignment in dropdown menus.
Merge pull request #128 from Hutchy68/fixing/develop

Instructions for the contributing to project
Merge remote-tracking branch 'upstream/develop' into feature/i18n-json

Conflicts:
	README.md