v1.0.2

• Minor adjustments to object printing.
• Reorganization of save functions in the simulation recording and loading process.
• Modification of the PETSc interface for the new version.
• Implemented minor refinements in Solvers.py to ensure correct canonical values of matrix A in Ax=b equations, thus avoiding potential bugs when using PETSc or pypardiso.
• Renamed functions in fem/_gauss.py to improve clarity and consistency.
• Updated function names in Display.py to improve readability.
• Updated copyright information to reflect the latest changes.
• Added a contribution guide to facilitate community participation and collaboration.
• Creation of a citation file.