Change FullName to PersonFullName

[jeff-hernandez]

Closes #695 by renaming FullName logical type to PersonFullName.

[codecov]

Codecov Report

Merging #740 (8881c6a) into main (deb6a83) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main      #740   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           46        46           
  Lines         6181      6181           
=========================================
  Hits          6181      6181           

Impacted Files	Coverage Δ
woodwork/type_sys/type_system.py	100.00% <ø> (ø)
woodwork/logical_types.py	100.00% <100.00%> (ø)
woodwork/tests/accessor/test_statistics.py	100.00% <100.00%> (ø)
woodwork/tests/accessor/test_table_accessor.py	100.00% <100.00%> (ø)
woodwork/tests/schema/test_schema.py	100.00% <100.00%> (ø)
woodwork/tests/type_system/test_type_system.py	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update deb6a83...8881c6a. Read the comment docs.

[thehomebrewnerd]

LGTM!