assign a PR number

Author: cometkim

text/0000-int.md renamed to text/0001-int.md

@@ -1,7 +1,7 @@
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 Feature Name: rescript-integers
 Start Date: 2024-11-19
-RFC PR: (leave this empty)
+RFC PR: https://github.com/rescript-lang/rfcs/pull/1
 ReScript Issue: (leave this empty)
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