feat: stat parity

src/core/blitzkrieg/degressiveStat.ts

@@ -0,0 +1,3 @@
+export function degressiveStat(crew: number) {
+  return 0.875 / (0.00375 * 100 * crew + 0.5) - 1;
+}

src/core/blitzkrieg/progressiveStat.ts

@@ -0,0 +1,3 @@
+export function progressiveStat(crew: number) {
+  return (0.00375 * 100 * crew + 0.5) / 0.875 - 1;
+}