Chapter 3 - improvements

[Scinawa]

• Check correctness of Theorem 3.8 (the proof itself but also that the statement fits chapter 3 language, ... log depth and number of queries to QRAM...)
• Make new FG proof into a markdown
• Write better captions for bucket-brigade circuit with swaps and control swaps
• TOP4 2.3.2.2 KP-Trees write some introduction to KP-trees section
• Fix arrow orientation of figure 2.2 (should be horizontal)
• Add valid ranges for $\lambda$ for row 8 and 9 from https://arxiv.org/pdf/1812.00954
• Write chapter on differences between quantum and classical data
• Add yuan2023optimal to the state preparation table

Done:

• Read another paper for state preparation (2-3 wees ago) and write something
• Read the harry burthamn paper on state preparation and write something.