Better type inference for MediaQuery

[tmkn]

This PR makes media.ts compatible with noImplicitAny.

While the code is now a little more verbose, TypeScript is now able to infer the types naturally, without any casts.
Consumption of the MediaQuery object stayed the same.

[codecov]

Codecov Report

Merging #180 into master will decrease coverage by 0.16%.
The diff coverage is 80%.

@@            Coverage Diff             @@
##           master     #180      +/-   ##
==========================================
- Coverage    88.9%   88.73%   -0.17%     
==========================================
  Files         117      117              
  Lines         928      932       +4     
  Branches      147      147              
==========================================
+ Hits          825      827       +2     
- Misses         90       92       +2     
  Partials       13       13

Impacted Files	Coverage Δ
src/utils/styles/media.ts	81.81% <80%> (-18.19%)	⬇️