Capitalize ref_type when using in embed

The GitHub API provides `ref_type` as lowercase. For consistency, this
adds a utility function and makes use of it when formatting the `create`
event from GitHub.

tag => Tag
branch => Branch

src/api/routes/webhooks/#webhook_id/#token/index.ts

@@ -15,6 +15,7 @@ import {
 	handleFile,
 	ValidateName,
 	EmbedType,
+	capitalize,
 } from "@spacebar/util";
 import { NextFunction, Request, Response, Router } from "express";
 import { HTTPError } from "lambert-server";
@@ -284,7 +285,7 @@ function transformGitHubToDiscord(
 				username: "GitHub",
 				embeds: [
 					{
-						title: `➕ ${payload.ref_type} created in ${payload.repository?.full_name}`,
+						title: `➕ ${capitalize(payload.ref_type)} created in ${payload.repository?.full_name}`,
 						type: EmbedType.rich,
 						description: `A new ${payload.ref_type} named \`${payload.ref}\` was created`,
 						color: 0x7289da,

src/util/util/String.ts

@@ -22,3 +22,13 @@ export function trimSpecial(str?: string): string {
 	if (!str) return "";
 	return str.replace(SPECIAL_CHAR, "").trim();
 }
+
+/**
+ * Capitalizes the first letter of a string.
+ * @param str The string to capitalize.
+ * @returns The capitalized string.
+ */
+export function capitalize(str: string): string {
+	if (!str) return "";
+	return str.charAt(0).toUpperCase() + str.slice(1);
+}