Initial stab at vitejs update

src/libs/crypto/index.ts

@@ -113,7 +113,7 @@ export const sign = async (privateKeyHex: string) => {
  *  The SimpleSigner returns a configured function for signing data.
  *
  *  @example
- *  const signer = SimpleSigner(process.env.PRIVATE_KEY)
+ *  const signer = SimpleSigner(import.meta.env.PRIVATE_KEY)
  *  signer(data, (err, signature) => {
  *    ...
  *  })

src/libs/endorserServer.ts

@@ -794,7 +794,7 @@ export const claimSpecialDescription = (
 };
 
 export const BVC_MEETUPS_PROJECT_CLAIM_ID =
-  process.env.VUE_APP_BVC_MEETUPS_PROJECT_CLAIM_ID ||
+  import.meta.env.VITE_BVC_MEETUPS_PROJECT_CLAIM_ID ||
   "https://endorser.ch/entity/01HNTZYJJXTGT0EZS3VEJGX7AK"; // this won't resolve as a URL on production; it's a URN only found in the test system
 
 export const bvcMeetingJoinClaim = (did: string, startTime: string) => {