Added dspeed processing chain

[Beatricecrudele]

Processing chain for MINT wavefroms:
raw --> lh5 --> dsp

Contents:

• build_raw(RAW_PATH: str, lh5_file: str, signal: dict) - Gets data converted to lh5 and dumps it into Pygama format.
• database(A: np.ndarray, A_upsampled: np.ndarray, out_len: int, channel_name_1: str, channel_name_2: str) - Database storing values of the matrices for nnls processor.
• config_dsp(RAW_PATH: str, f_raw: dict, database: dict) - Configures your dspeed based on raw lh5 input.

[ggmarshall]

not sure these belong in configs, maybe can put under something like src/mint-analysis/flow?

[Beatricecrudele]

not sure these belong in configs, maybe can put under something like src/mint-analysis/flow?

I just had it there cause it was dsp/config so was related to dsp but i can add a section to the main