move reused types to global type file

apps/skillulator/src/routes/c/$class/components/Skill.tsx

···
+import type { Skill as SkillType } from "../../../../types";
 import { languages } from "../../../../utils/constants";
 import { getLanguageForSkill } from "../../../../utils/language";
-import type { State } from "../../../../zustand/treeStore";
 import {
 	DecreaseSkillPointButton,
 	IncreaseSkillToMaxButton,
···
 import { Requirement } from "./Requirement";
 
 interface SkillProps {
-	skill: State["jobTree"][0]["skills"][0];
+	skill: SkillType;
 	jobId: number;
 	skillId: number;
 	hasMinLevelRequirements: boolean;

apps/skillulator/src/routes/c/$class/components/action-buttons.tsx

···
 import clsx from "clsx";
-import { type State, useTreeStore } from "../../../../zustand/treeStore";
+import { useTreeStore } from "../../../../zustand/treeStore";
+import type { Skill } from "../../../../types";
 
 export function DecreaseSkillPointButton(props: {
-	skill: State["jobTree"][0]["skills"][0];
+	skill: Skill;
 	jobId: number;
 }) {
 	const { decreaseSkillPoint } = useTreeStore();
···
 
 export function SkillIconButton(props: {
 	jobId: number;
-	skill: State["jobTree"][0]["skills"][0];
+	skill: Skill;
 	hasMinLevelRequirements: boolean;
 	isMaxed: boolean;
 	locale: string;

apps/skillulator/src/types.ts

···
+import type { State } from "./zustand/treeStore";
+
+export type Skills = State["jobTree"][number]["skills"];
+export type Skill = State["jobTree"][0]["skills"][0];
+export type Jobs = State["jobTree"];
+export type SkillBracket = {
+	maxLevel: number;
+	pointsPerLevel: number;
+};

apps/skillulator/src/utils/skill-tree-helpers.ts

···
+import type { Jobs, SkillBracket, Skills } from "../types";
 import type { State } from "../zustand/treeStore";
 import type { JOB_SKILLPOINTS } from "./constants";
-
-type Skills = State["jobTree"][number]["skills"];
-type Jobs = State["jobTree"];
-type SkillBracket = {
-	maxLevel: number;
-	pointsPerLevel: number;
-};
 
 export function getJobById(jobId: number, jobs: Jobs) {
 	return jobs.filter((job) => job.id === jobId).at(0);