feat(Rest): add response and request events

[ckohen]

Please describe the changes this PR makes and why it should be merged:

Ported from discordjs/discord.js#6739

Needs #77

Status and versioning classification:

• Code changes have been tested against the Discord API, or there are no code changes
• I know how to update typings and have done so, or typings don't need updating
• This PR changes the library's interface (methods or parameters added)

[codecov]

Codecov Report

Merging #85 (7767eba) into main (c22081d) will increase coverage by 0.02%.
The diff coverage is 87.32%.

@@            Coverage Diff             @@
##             main      #85      +/-   ##
==========================================
+ Coverage   89.03%   89.06%   +0.02%     
==========================================
  Files           9        9              
  Lines        1487     1555      +68     
  Branches      153      160       +7     
==========================================
+ Hits         1324     1385      +61     
  Misses         12       12              
- Partials      151      158       +7     

Impacted Files	Coverage Δ
packages/rest/src/lib/RequestManager.ts	93.96% <50.00%> (ø)
...ackages/rest/src/lib/handlers/SequentialHandler.ts	82.80% <85.71%> (+0.36%)	⬆️
packages/rest/src/lib/REST.ts	95.57% <89.74%> (-0.98%)	⬇️
packages/rest/src/lib/utils/constants.ts	100.00% <100.00%> (ø)

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