v0.5.3

Docker image pushed to Docker Hub:
docker pull zodac/diurnal:0.5.3

Changes since 0.5.2:

[CI]

• [7c3ad31] Prepare next version: 0.5.3

[Project]

• [3bf3f2c] Restructured project directories

[UI]

• [109523b] Large rework of UI partials, removing comments, improving gzip compression