chore(readme): add package rename and migration guide (#1837) #2788

Job	Run time
Tests (ubuntu-22.04, 3.11, pandas>1.1, numpy>=1.21)	7m 52s
Coverage (ubuntu-22.04, 3.13, pandas>1.1, numpy>=1.21)	15m 15s
Tests (ubuntu-22.04, 3.12, pandas>1.1, numpy>=1.21)	5m 36s
Tests Spark \| Python 3.11 \| PySpark 3.5	3m 3s
Tests Spark \| Python 3.10 \| PySpark 3.5	3m 22s
Tests Spark \| Python 3.11 \| PySpark 4.0	3m 29s
Tests (ubuntu-22.04, 3.13, pandas>1.1, numpy>=1.21)	4m 57s
Tests Spark \| Python 3.10 \| PySpark 4.0	3m 55s
Tests Spark \| Python 3.12 \| PySpark 4.0	3m 41s
Tests (ubuntu-22.04, 3.10, pandas>1.1, numpy>=1.21)	8m 41s
	59m 51s

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