Add more data centre locations

The full list of locations was generated from the [Cloudflare Status Page](https://www.cloudflarestatus.com/):

```bash
{
  echo 'export const locations = {';
  curl -ks https://www.cloudflarestatus.com/ | grep -- '- (' | while read line; do
    code=$(awk -F '[()]' '{print $2}' <<< "$line");
    city=$(awk -F '[,-]' '{print $1}' <<< "$line");
    echo "  $code: '${city//\'/’}',";
  done | sort;
  echo '}';
} > src/functions/locations.js
```

src/functions/helpers.js

@@ -3,13 +3,6 @@ import { useEffect, useState } from 'react'
 
 const kvDataKey = 'monitors_data_v1_1'
 
-export const locations = {
-  WAW: 'Warsaw',
-  SCL: 'Santiago de Chile',
-  MEL: 'Melbourne',
-  SIN: 'Singapore',
-}
-
 export async function getKVMonitors() {
   // trying both to see performance difference
   return KV_STATUS_PAGE.get(kvDataKey, 'json')