Add type hints

[jaycedowell]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 95.08716% with 31 lines in your changes missing coverage. Please review.

Project coverage is 85.18%. Comparing base (0176f6e) to head (cbc7545).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
lsl/astro.py	95.45%	12 Missing ⚠️
lsl/common/mcs.py	87.80%	5 Missing ⚠️
lsl/common/adp.py	88.88%	2 Missing ⚠️
lsl/common/dp.py	94.28%	2 Missing ⚠️
lsl/common/ndp.py	87.50%	2 Missing ⚠️
lsl/common/paths.py	33.33%	2 Missing ⚠️
lsl/misc/rfutils.py	92.00%	2 Missing ⚠️
lsl/transform.py	96.42%	2 Missing ⚠️
lsl/catalog.py	93.33%	1 Missing ⚠️
lsl/misc/telemetry/__init__.py	90.90%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #75      +/-   ##
==========================================
- Coverage   85.19%   85.18%   -0.02%     
==========================================
  Files          83       83              
  Lines       23744    23775      +31     
==========================================
+ Hits        20229    20253      +24     
- Misses       3515     3522       +7     

Files with missing lines	Coverage Δ
lsl/common/mcsADP.py	100.00% <100.00%> (ø)
lsl/common/mcsNDP.py	100.00% <100.00%> (ø)
lsl/config.py	90.00% <100.00%> (+0.04%)	⬆️
lsl/correlator/filterbank.py	96.55% <100.00%> (+0.12%)	⬆️
lsl/misc/dedispersion.py	82.90% <100.00%> (-0.15%)	⬇️
lsl/misc/parser.py	99.11% <100.00%> (-0.02%)	⬇️
lsl/misc/scattering.py	94.84% <100.00%> (ø)
lsl/skymap.py	97.52% <100.00%> (+0.04%)	⬆️
lsl/catalog.py	89.94% <93.33%> (+0.02%)	⬆️
lsl/misc/telemetry/__init__.py	78.69% <90.90%> (-0.35%)	⬇️
... and 8 more