Point the notes at where the project is about to live

~/programming/menu-admin, since it is a project rather than a folder of the
images it serves. The plan's mention of static-menu/Caddyfile stays: that is the
images directory, which does not move.

docs/operating.md

@@ -39,7 +39,7 @@ password cannot be empty. It can also be set from a machine that has this repo
 checked out, with the prompt on that machine rather than the server:
 
 ```sh
-cd ~/programming/static-menu/menu-admin
+cd ~/programming/menu-admin
 read -r -s -p 'Admin password: ' PW; echo
 HASH=$(printf '%s' "$PW" | node -e "let s='';process.stdin.setEncoding('utf8');process.stdin.on('data',c=>s+=c).on('end',async()=>{const m=await import('./src/auth.ts');process.stdout.write(await m.hashPassword(s))})")
 SECRET=$(node -e "process.stdout.write(require('node:crypto').randomBytes(32).toString('base64url'))")
@@ -154,7 +154,7 @@ password cannot be empty. It can also be set from a machine that has this repo
 checked out, with the prompt on that machine rather than the server:
 
 ```sh
-cd ~/programming/static-menu/menu-admin
+cd ~/programming/menu-admin
 read -r -s -p 'Admin password: ' PW; echo
 HASH=$(printf '%s' "$PW" | node -e "let s='';process.stdin.setEncoding('utf8');process.stdin.on('data',c=>s+=c).on('end',async()=>{const m=await import('./src/auth.ts');process.stdout.write(await m.hashPassword(s))})")
 SECRET=$(node -e "process.stdout.write(require('node:crypto').randomBytes(32).toString('base64url'))")