🗃️ Add migration scripts and reduce number of db operations

[karafra]

No description provided.

[codecov]

Codecov Report

Merging #19 (04faf47) into main (fcd588b) will decrease coverage by 2.10%.
The diff coverage is 45.83%.

@@            Coverage Diff             @@
##             main      #19      +/-   ##
==========================================
- Coverage   94.41%   92.30%   -2.11%     
==========================================
  Files          33       34       +1     
  Lines         573      585      +12     
  Branches       22       23       +1     
==========================================
- Hits          541      540       -1     
- Misses         32       45      +13     

Impacted Files	Coverage Δ
...3047612-create-capped-jobs-collection.migration.ts	0.00% <0.00%> (ø)
...c/commands/ai-art/cog-view-2/cog-view-2.command.ts	100.00% <100.00%> (ø)
...c/commands/ai-art/dalle-mini/dalle-mini.command.ts	100.00% <100.00%> (ø)
src/gateway/discord/discord.gateway.ts	100.00% <100.00%> (ø)
...ices/commands/art/cog-view-2/cog-view-2.service.ts	100.00% <100.00%> (ø)
...ices/commands/art/dalle-mini/dalle-mini.service.ts	100.00% <100.00%> (ø)