Improved memory reading performance & bugfixes:

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• Updated project to .NET 6
• Added article on performance tips to the docs
• Fixed caching bugs in MemArrays + improved performance
• Added new MemArrayPtr class for fast access to arrays of pointers (mostly for variable access)
• StructureToByteArray is now more efficient (used in almost every read operation)
• ArrayRead/ArrayWrite family of operations now supports arrays of pointers
• Vehicle variable access is now >3x faster
• Removed old code
• Fixed various Omsi class/struct definitions => almost every class is marshalled correctly now
• Fixed off by 1 bug in RPCPlugin
• Fixed various bugs + refactoring

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I've tested this a bunch myself (although admittedly I've only really tested reads, not writes) and it seems to work quite nicely.