Feature: add ipfs driver

[criadoperez]

Currently the GAIA Storage System supports the following drivers:

• Azure
• AWS
• GCP
• Dropbox
• Localdisk

Analogically to those, implement a driver for IPFS, so Users can store their data on IPFS using the GAIA Storage System.

Subtasks:

• [x] Implement IPFS driver module
• [x] Update admin module for IPFS driver
• [x] Update hub module for IPFS driver
• [x] Update reader module for IPFS driver

[CLAassistant]

All committers have signed the CLA.

[codecov[bot]]

Codecov Report

Merging #440 (38314cd) into master (687cbe2) will decrease coverage by 9.94%. The diff coverage is 34.65%.

@@            Coverage Diff             @@
##           master     #440      +/-   ##
==========================================
- Coverage   82.75%   72.81%   -9.95%     
==========================================
  Files          22       27       +5     
  Lines        2093     2523     +430     
  Branches      375      455      +80     
==========================================
+ Hits         1732     1837     +105     
- Misses        357      679     +322     
- Partials        4        7       +3     

Impacted Files	Coverage Δ
hub/src/server/drivers/IpfsDriver.ts	6.19% <6.19%> (ø)
admin/src/config.ts	21.87% <7.14%> (-9.71%)	:arrow_down:
reader/src/drivers/IpfsDriver.ts	11.11% <11.11%> (ø)
reader/src/errors.ts	24.32% <24.32%> (ø)
reader/src/config.ts	56.52% <37.03%> (ø)
hub/test/src/testDrivers/integrationTestDrivers.ts	77.41% <48.14%> (+0.75%)	:arrow_up:
hub/src/server/utils.ts	80.41% <75.00%> (-0.44%)	:arrow_down:
hub/src/server/http.ts	81.75% <78.94%> (-0.13%)	:arrow_down:
reader/src/drivers/diskDriver.ts	85.36% <85.36%> (ø)
hub/src/server/config.ts	93.19% <91.66%> (-1.58%)	:arrow_down:
... and 8 more

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[bjorger]

@wileyj Hey Jesse, this PR would be ready to merge from our side :)