Add mypy and configuration to typecheck

[mielvds]

No description provided.

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
lib/pyld
canon.py	290	12	96%	36, 47, 51, 55, 85–86, 530, 552, 616, 626, 680–681
context_resolver.py	103	8	92%	78, 137, 151, 197, 203–205, 229
iri_resolver.py	141	3	98%	311–312, 322
jsonld.py	2515	163	94%	276–280, 329, 366, 371, 384, 401–416, 452–453, 495, 503, 523, 531–532, 640–645, 728–729, 744–745, 808–813, 838–839, 854–855, 865–866, 892, 940, 954–955, 978–979, 1019, 1026, 1034, 1107, 1134, 1156–1158, 1168–1171, 1186, 1209, 1221–1224, 1322, 1331–1334, 1354, 1383, 1416, 1420, 1460, 1475–1477, 1489–1492, 1537, 1556–1559, 1572, 1621, 1724–1731, 1758–1760, 1786–1789, 1965, 2003, 2309, 2440, 2449–2456, 2550, 2577, 2601, 2609, 3213, 3263, 3282, 3347, 3400, 3403, 3466, 3551, 3585, 3876, 3881, 3883, 4088–4090, 4244, 4307, 4548, 4839, 4973, 5007, 5036–5039, 5061–5062, 5245, 5315, 5342, 5416, 5418, 5436, 5534, 5585, 5817, 5819, 5858, 5860, 5869, 6010, 6138, 6231, 6351–6365, 6501, 6732, 6739–6743, 6788, 6791, 6881–6882, 6891
util.py	72	3	96%	43, 116, 136
lib/pyld/cli
app.py	44	2	95%	77, 80
entry.py	12	3	75%	9–11, 24
input.py	52	1	98%	57
lib/pyld/documentloader
aiohttp.py	73	22	70%	34–45, 76, 84, 98, 109–118, 137–140, 160, 176–178
file.py	36	1	97%	49
requests.py	52	5	90%	57, 71, 83–91
requests_sqlite_cache.py	25	1	96%	19
scheme_directed.py	15	1	93%	38
type_directed.py	15	1	93%	41
TOTAL	3801	226	94%

Tests	Skipped	Failures	Errors	Time
1935	28 💤	0 ❌	0 🔥	3m 41s ⏱️