meta: move lexicons to common top level subdir

server/deno.json

···
 {
   "tasks": {
     "dev": "PORT=8000 deno run --watch --allow-net --allow-env=HOSTNAME,PORT,NODE_ENV --env-file src/index.ts",
-    "lexgen": "deno run --allow-env --allow-sys --allow-read=. --allow-write=./src/lexicons --no-prompt @atcute/lex-cli generate -c ./lex.config.js && cat ./src/lexicons/index.ts | sed \"s/.js/.ts/\" > ./src/lexicons/index.ts"
+    "lexgen": "deno run --allow-env --allow-sys --allow-read=.. --allow-write=./src/lexicons --no-prompt @atcute/lex-cli generate -c ./lex.config.js && cat ./src/lexicons/index.ts | sed \"s/.js/.ts/\" > ./src/lexicons/index.ts"
   },
   "imports": {
     "@atcute/identity-resolver": "npm:@atcute/identity-resolver@^1.1.3",

server/lex.config.js

···
 import { defineLexiconConfig } from "@atcute/lex-cli";
 
 export default defineLexiconConfig({
-  files: ["lex/**/*.json"],
+  files: ["../lexicons/**/*.json"],
   outdir: "src/lexicons/",
 });