Refactor modules; work on adequacy for intensional semantics

formalizations/guarded-cubical/Common/Common.agda

formalizations/guarded-cubical/Common/Later.agda

formalizations/guarded-cubical/Common/Lemmas.agda

formalizations/guarded-cubical/Common/MonFuns.agda

formalizations/guarded-cubical/Interpretation.agda

formalizations/guarded-cubical/Results.agda

formalizations/guarded-cubical/Results/Coinductive.agda

...izations/guarded-cubical/Results/IntensionalAdequacy.agda

formalizations/guarded-cubical/Semantics/Semantics.agda

...zations/guarded-cubical/Semantics/StrongBisimulation.agda

formalizations/guarded-cubical/SyntacticTermPrecision.agda

formalizations/guarded-cubical/Syntax/DeBruijnCommon.agda

formalizations/guarded-cubical/Syntax/GSTLC.agda

formalizations/guarded-cubical/Syntax/GSTLCCollapse.agda