feat: setQuery and setHash

[cexbrayat]

What kind of change does this PR introduce? (check at least one)

• Bugfix
• Feature
• Code style update
• Refactor
• Build-related changes
• Other, please describe:

Does this PR introduce a breaking change? (check one)

• Yes
• No

If yes, please describe the impact and migration path for existing applications:

The PR fulfills these requirements:

• When resolving a specific issue, it's referenced in the PR's title (e.g. fix #xxx[,#xxx], where "xxx" is the issue number)
• All tests are passing
• New/updated tests are included

If adding a new feature, the PR's description includes:

• A convincing reason for adding this feature (to avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it)

Other information:
Fixes #42

[codecov-io]

Codecov Report

Merging #47 (f8d9630) into v2 (6d2829d) will increase coverage by 1.06%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##               v2      #47      +/-   ##
==========================================
+ Coverage   97.95%   99.01%   +1.06%     
==========================================
  Files           5        5              
  Lines          98      102       +4     
  Branches       10       11       +1     
==========================================
+ Hits           96      101       +5     
+ Misses          2        1       -1     

Impacted Files	Coverage Δ
src/router.ts	98.30% <100.00%> (+1.94%)	⬆️

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[cexbrayat]

@posva I amended the PR with your feedback 👍

[posva]

Thanks!