doc: update TODO

TODO.md

@@ -1,40 +1,5 @@
 # TODO
 
-- update output with workdays results
 - add CSV output of distributions
-- add CLI parameter to specify which workdays, holidays, calendar config file to use
-- switch to BetaPERT distribution:
-
-```rust
-use rand::Rng;
-
-fn beta_pert_sample(min: f64, likely: f64, max: f64) -> f64 {
-    let alpha1 = 1.0 + 4.0 * (likely - min) / (max - min);
-    let alpha2 = 1.0 + 4.0 * (max - likely) / (max - min);
-
-    let mut rng = rand::thread_rng();
-    let u: f64 = rng.gen(); // Generate a uniform random number between 0 and 1
-
-    // Inverse transform sampling
-    let x = inverse_beta_cdf(u, alpha1, alpha2);
-
-    // Scale and shift to the desired range
-    min + (max - min) * x
-}
-
-fn inverse_beta_cdf(p: f64, alpha1: f64, alpha2: f64) -> f64 {
-    // This is a simple approximation of the inverse beta CDF
-    // For more accurate results, consider using a numerical method or a statistics library
-    let x = p.powf(1.0 / alpha1) / (p.powf(1.0 / alpha1) + (1.0 - p).powf(1.0 / alpha2));
-    x
-}
-
-fn main() {
-    let min = 10.0;
-    let likely = 20.0;
-    let max = 40.0;
-
-    let sample = beta_pert_sample(min, likely, max);
-    println!("Random sample from BetaPERT({}, {}, {}): {}", min, likely, max, sample);
-}
-```
+- break project out into its own crate
+- add sourcehut autobuild