Release and test coffea-casa Helm charts

[oshadura]

• [ ] Release coffea-casa Helm charts
• [ ] Test charts on OD dev instance
• [ ] Test charts on CMS dev instance
• [ ] Test charts on ATLAS instance @ SSL
• [ ] Add OD instance related docs
• [ ] Add CMS instance related docs
• [ ] Add ATLAS instance related docs

Related to https://github.com/iris-hep/analysis-grand-challenge/issues/2

Other related issue:

• [ ] https://github.com/CoffeaTeam/coffea-casa/issues/156
• [ ] https://github.com/CoffeaTeam/coffea-casa/issues/183