Added cards on project info, user info, add scaffolding

webstillas/src/App.js

webstillas/src/components/Signup.js

...llas/src/components/logistics/scaffold/addScaffolding.css

...illas/src/components/logistics/scaffold/addScaffolding.js

webstillas/src/components/projects/elements/card.css

webstillas/src/components/projects/elements/card.js

webstillas/src/components/projects/elements/preView.js

webstillas/src/components/scaffolding/scaffolding.css

webstillas/src/components/topBar/topBar.js

webstillas/src/components/userinformation/userInfo.css

webstillas/src/components/userinformation/userInfo.js

webstillas/src/modelData/constantsFile.js

webstillas/src/modelData/postModel.js