docs(number): add margin explanation

unrevised6419 · unrevised6419 · commit b483907d3795 · 2025-07-04T12:00:29.000+03:00
diff --git a/src/number.ts b/src/number.ts
@@ -207,6 +207,7 @@ export function convertPayRate(
 
 /**
  * Calculates the margin percentage between a base value and an actual value.
+ * For the margin to be positive, the actual value must be greater than the base value.
  *
  * ```ts
  * margin(100, 150); // 50

Original file line number	Diff line number	Diff line change
`@@ -207,6 +207,7 @@ export function convertPayRate(`
`207`	`207`
`208`	`208`	`/**`
`209`	`209`	`* Calculates the margin percentage between a base value and an actual value.`
	`210`	`+ * For the margin to be positive, the actual value must be greater than the base value.`
`210`	`211`	`*`
`211`	`212`	* ```ts
`212`	`213`	`* margin(100, 150); // 50`