Second talk slides translated into English. Most part of it

diff --git a/slides/2025 - Becoming PosgtreSQL Developer. 2. Basic Structures: Register Data Types/2025 - Basic Structures - Register Data Types - Eng/basic_structures-2025.odp b/slides/2025 - Becoming PosgtreSQL Developer. 2. Basic Structures: Register Data Types/2025 - Basic Structures - Register Data Types - Eng/basic_structures-2025.odp
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