Adding work in progress files for FE case study

[nareshsusarla]

Addresses issue:

Adding work in progress files for FE case study

Summary/Motivation:

This PR adds all work in progress files for the FE case study that addresses the following aspects:

• Double loop implementation of FE case study: pending work here includes updating the the nlp design model with the latest in integrated nlp model in the main and get updated prescient data
• CCS: pending work here is to update the underlying design models to the latest in the main. Also, to get latest surrogates from the CCSI2 for heat and cost using PCC flue gas. Finally, the models were working around Oct 2022 so they must be made compatible for both latest pyomo and IDAES
• Multiperiod GDP: The files must be updated (mainly initialization) for latest multiperiod class (i.e., latest IDAES) and latest Pyomo. needs to improved to obtain reasonable results.

Changes proposed in this PR:

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[adam-a-a]

PR #220 should have resolved this. For some reason I don't see the option to merge main here.

[adam-a-a]

Replaced by #222