Add Pretty Table project: plan, accepted documents and code

Business Case, Stakeholder Analysis, Project Plan and milestone MIL-001
with review records RC-001 to RC-003, then the Python project: PrettyTable
Pokemon table, constants, pytest tests, pyproject.toml, Doxyfile, CI
workflow and README.

Task: MIL-001#1
Task: MIL-001#2
Task: MIL-001#3
Task: MIL-001#4
Task: MIL-001#5
Task: MIL-001#6
Task: MIL-001#7
Task: MIL-001#8

tests/test_main.py

@@ -0,0 +1,40 @@
+"""Tests for the Pokemon table."""
+
+import pytest
+from prettytable import PrettyTable
+
+from pretty_table.constants import COLUMN_TITLES, POKEMON
+from pretty_table.main import create_table, main
+
+EXPECTED_TABLE = """\
++--------------+----------+
+| Pokemon Name |   Type   |
++--------------+----------+
+|   Pikachu    | Electric |
+|   Squirtle   |  Water   |
+|  Charmander  |   Fire   |
++--------------+----------+
+"""
+
+
+def test_create_table_returns_prettytable() -> None:
+    assert isinstance(create_table(), PrettyTable)
+
+
+def test_create_table_has_the_column_titles() -> None:
+    assert tuple(create_table().field_names) == COLUMN_TITLES
+
+
+def test_create_table_has_one_row_per_pokemon() -> None:
+    table = create_table()
+    assert len(table.rows) == len(POKEMON)
+    assert [tuple(row) for row in table.rows] == list(POKEMON)
+
+
+def test_create_table_renders_the_expected_text() -> None:
+    assert create_table().get_string() == EXPECTED_TABLE.rstrip("\n")
+
+
+def test_main_prints_the_table(capsys: pytest.CaptureFixture[str]) -> None:
+    main()
+    assert capsys.readouterr().out == EXPECTED_TABLE