update description of monomod-documentation

docs/dev/fundamentals/patching-code/monomod-documentation.md

@@ -1,7 +1,7 @@
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-description: Learn how to use MonoMod for patching methods with Hooks and ILHooks.
+description: Unofficial MonoMod documentation for modders, with links to the official documentation.
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 # MonoMod Documentation {#monomod-documentation}