Release v0.4.0

Release v0.4.0 with changes since v0.3.2

• Release v0.4.0 (Minor) 8281150
• Bump nanoid from 3.3.7 to 3.3.8 b083ab9
• Update External API Documentation in README 165ac11
• Theia-Trace-Extension v0.5.0 Uplift f976ef5
• Refactor for SignalManager changes fdc6a22
• Add basic issue and pull-request templates 9a3f2d1