Rework README

5 jobs for master in 4 minutes and 38 seconds (queued for 1 second)
Status Job ID Name Coverage
  .Pre
passed #510773
preflight

00:00:11

 
  Build
passed #510775
README.pdf

00:00:53

passed #510774
tex

00:03:42

 
  Test
failed #510777
test-pdfs

00:00:43

passed #510776
test-self

00:00:59

 
Name Stage Failure
failed
test-pdfs Test
E       assert 7854332 <= 5000000

tests/test_pdfs.py:120: AssertionError
=========================== short test summary info ============================
FAILED tests/test_pdfs.py::test_file_size[README.pdf] - assert 7854332 <= 500...
=================== 1 failed, 13 passed, 2 skipped in 2.62s ====================
make: *** [Makefile:34: test-pdfs] Error 1
Cleaning up file based variables
ERROR: Job failed: exit code 1