Add Proposal: Multi-Pattern Catch Clauses (#1084)
Add Proposal: Multi-Pattern Catch Clauses (#1084)

* Add Proposal: Multi-Pattern and Conditionally Compiled Catch Clauses

* Refocus proposal to only include multi-pattern catches

* Update proposals/NNNN-multi-pattern-catch-clauses.md

Co-Authored-By: Ben Rimmington <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@benrimmington.com>

* Update NNNN-multi-pattern-catch-clauses.md

Co-authored-by: Ben Rimmington <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@benrimmington.com>

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