fix README pic to remove line on left side

[tpike3]

simple fix, replacing README pic for a better one

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (e2c407f) 80.68% compared to head (b0f5665) 80.68%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1763   +/-   ##
=======================================
  Coverage   80.68%   80.68%           
=======================================
  Files          15       15           
  Lines         870      870           
  Branches      184      186    +2     
=======================================
  Hits          702      702           
  Misses        147      147           
  Partials       21       21           

see 1 file with indirect coverage changes

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[rht]

Too much whitespace between the plots. I can't really "test" this PR on narrow screen because in the RTD, https://mesa--1763.org.readthedocs.build/en/1763/ the image is hardcoded to projectmesa/main: https://github.com/tpike3/mesa/blob/5cdf9f0ef007279be4555733ba884495a70a9197/README.rst?plain=1#L19.

[tpike3]

Too much whitespace between the plots. I can't really "test" this PR on narrow screen because in the RTD, https://mesa--1763.org.readthedocs.build/en/1763/ the image is hardcoded to projectmesa/main: https://github.com/tpike3/mesa/blob/5cdf9f0ef007279be4555733ba884495a70a9197/README.rst?plain=1#L19.

Updated with new one, let me know what you think

[rht]

LGTM