Merge branch '131-inconsistent-temperatures-kinetic-energies-between-ase-atoms-and-thermo-out-file' into 'master'

Resolve "Inconsistent temperatures/kinetic energies between ASE atoms and thermo.out file"

Closes #131

See merge request !223

Resolve "Add support for charges for GPUNEP"

Closes #128 and #115

See merge request !224

Resolve "Bump GPUMD to v4.8 in CI"

Closes #132

See merge request !226

remove old theme and pin sphinxcontrib to avoid PIP solver failure

See merge request !218

Add wrapper function for setting up finetuning

Closes #112

See merge request !225

Resolve "Add tutorial on TNEP"

Closes #116

See merge request !227

actually add the tnep tutorial to the docs

See merge request !228

Add per-atom information in read_structures

See merge request !220

Integrate reading/writing restart files with reading/writing nep.txt files

See merge request !231

Fix BEC NaN handling for structures without target data in read_structures

See merge request !234

Fixed handling of string values in write_nepfile

See merge request !236

Support higher-body descriptors and extended l_max format

See merge request !233

Fixed bug related to selection keyword argument in get_parity_data

See merge request !237

Support for model architecture manipulation

See merge request !235

Fix handling of errors with newer spglib version

See merge request !240

Added functionality for analyzing dielectric function

See merge request !232

Add IR and Raman spectrum functionality

See merge request !238

GPUMD v5.5 in CI and fix scheduled pipeline

See merge request !239

Bumped version to 3.4

See merge request !241