Draw svg title

[hyanwong]

I've always wanted to be able to add a title to our SVG plots. Now that we are outputting them e.g. from sc2ts, I think this is vital to keep track of what we are plotting:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.84%. Comparing base (b527d0d) to head (8e6380f).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #3015    +/-   ##
========================================
  Coverage   89.84%   89.84%            
========================================
  Files          29       29            
  Lines       32093    32097     +4     
  Branches     6230     5756   -474     
========================================
+ Hits        28833    28837     +4     
  Misses       1859     1859            
  Partials     1401     1401            

Flag	Coverage Δ
c-tests	86.69% <ø> (ø)
lwt-tests	80.78% <ø> (ø)
python-c-tests	89.05% <ø> (ø)
python-tests	99.00% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
python/tskit/drawing.py	99.23% <100.00%> (+<0.01%)	⬆️
python/tskit/trees.py	98.80% <ø> (ø)

[benjeffery]

LGTM!

[jeromekelleher]

Looks like you need to drop intervals.py from the PR?

[benjeffery]

@Mergifyio rebase

[mergify]

rebase

☑️ Nothing to do

• any of:
  • #commits > 1 [📌 rebase requirement]
  • #commits-behind > 0 [📌 rebase requirement]
  • -linear-history [📌 rebase requirement]
• -closed [📌 rebase requirement]
• -conflict [📌 rebase requirement]
• queue-position = -1 [📌 rebase requirement]