feat: run-db app

[marmitar]

Adds a new run-db executable that runs a set of heuristics on a database of strings. The options are:

• not a flag, but the first argument is a path to the database (read from stdin, if empty)
• -o/--output: CSV file to write the results (defaults to stdout, if unspecified)
• -c/--continue: tries to continue a previous execution, skipping heuristics and strings already present in the CSV
• --intergenic: assumes the database contains intergenic information (for working with FPT)
• --fpt PREFIX: path to read outputs from the FPT algorithm (the Java one)
• --pso-iterations: number of iterations for PSO
• --pso-particles: number of particles for PSO
• --pso-seed: seed for the stochastic processes of PSO (uses a fixed one, if not given)
• --pso-updater-weights: the weight use for the particle velocity, $k_E$, $k_L$ and $k_G$
• --pso-initial-dist: distribution of weights for the initial population, $D = (D_1, D_2, D_3, D_4)$