Add the embedding layer

[chhwang]

No description provided.

[codecov]

Codecov Report

Merging #122 (d3f3f48) into main (e4f47dd) will increase coverage by 0.29%.
Report is 2 commits behind head on main.
The diff coverage is 89.55%.

❗ Current head d3f3f48 differs from pull request most recent head 7aa400f. Consider uploading reports for the commit 7aa400f to get more accurate results

@@            Coverage Diff             @@
##             main     #122      +/-   ##
==========================================
+ Coverage   72.61%   72.90%   +0.29%     
==========================================
  Files          80       81       +1     
  Lines        6380     6441      +61     
==========================================
+ Hits         4633     4696      +63     
+ Misses       1747     1745       -2     

Files Changed	Coverage Δ
ark/include/ark.h	100.00% <ø> (ø)
ark/ops/ops_common.h	100.00% <ø> (ø)
ark/tensor.cc	62.40% <0.00%> (-0.99%)	⬇️
ark/ops/ops_common.cc	63.40% <66.66%> (+0.02%)	⬆️
ark/ops/ops_test_common.cc	80.71% <85.00%> (+3.89%)	⬆️
ark/ops/ops_embedding.cc	93.33% <93.33%> (ø)
ark/executor.cc	93.22% <93.61%> (-0.40%)	⬇️
ark/gpu/gpu_compile.cc	80.95% <100.00%> (+0.62%)	⬆️
ark/gpu/gpu_mgr.cc	76.95% <100.00%> (+0.08%)	⬆️
ark/ops/ops_layernorm.cc	84.21% <100.00%> (ø)
... and 5 more

... and 1 file with indirect coverage changes