add OP:Floor,Abs to op_list.md
| 41 | MatMul | 42 | Sum | 43 | Transpose | 44 | BatchNormalization |
| 45 | Squeeze | 46 | Equal | 47 | Identity | 48 | GlobalAveragePool |
| 49 | MaxPool | 50 | Conv | 51 | Gemm | 52 | NonZero |
+| 53 | Abs | 54 | Floor |
