Backfill model card

consolidate: absorb ties__aligned

consolidate: absorb ties__naive

consolidate: absorb task_arithmetic__aligned

consolidate: absorb task_arithmetic__naive

consolidate: absorb average__aligned

consolidate: drop the duplicated root copy

consolidate: move average__naive payload into its subfolder

merged checkpoint ({'pair_id': 'pythia-en-zh-14m', 'parent_a': 'EleutherAI/pythia-14m', 'parent_b': 'SJTU-CL/Zh-Pythia-14M', 'ceiling': '(floor-relative)', 'operator': 'average', 'alignment': 'naive', 'align_method': 'permutation', 'regime': 'different_corpora', 'eval_langs': 'eng+zho', 'nll_merge': 12.0439, 'nll_floor': 4.8059, 'param_coverage': 0.0846, 'MS': None})

initial commit