UI - Create post / Discuss issue component UI design

[psnmissaka]

Only relates to angular2 branch The component that will be used by the user to create an issue(post). Need to decide on the fields that are needed and how the user inputs those data. Following fields should be there

• Title
• Description
• Organization name (should automatically fill according to the organization user is in)
• tags
• link to issue (github)

Linked to #15

[psnmissaka]

@ntbandara3 refer to the issue when developing the UI design. Link the issue in the PR description