chore(bens-types): update package structure and build scripts (#1677)

* Updated .gitignore to include index.js and index.d.ts
* Changed main and types paths in package.json to point to index files
* Modified compile scripts for proto and TypeScript to reflect new structure

Author: tom2drum

blockscout-ens/types/.gitignore

@@ -1 +1,3 @@
-/dist
+/dist
+index.js
+index.d.ts

blockscout-ens/types/index.ts

@@ -0,0 +1,3 @@
+export * from './dist/types';
+export * from './dist/domains_extractor';
+export * from './dist/multichain_domains';

blockscout-ens/types/package.json

@@ -2,12 +2,12 @@
   "name": "@blockscout/bens-types",
   "version": "0.0.1",
   "description": "TypeScript definitions for BENS microservice",
-  "main": "./dist/bens-proto/proto/bens.js",
-  "types": "./dist/bens-proto/proto/bens.d.ts",
+  "main": "./index.js",
+  "types": "./index.d.ts",
   "scripts": {
     "build": "npm run compile:proto && npm run compile:ts",
-    "compile:proto": "mkdir -p ./dist && protoc --plugin=./node_modules/.bin/protoc-gen-ts_proto --ts_proto_opt=snakeToCamel=false --ts_proto_opt=stringEnums=true --ts_proto_opt=onlyTypes=true --ts_proto_opt=emitImportedFiles=false --proto_path=../ --proto_path=../../proto/ --ts_proto_out=./dist ../bens-proto/proto/bens.proto",
-    "compile:ts": "tsc --declaration ./dist/bens-proto/proto/bens.ts"
+    "compile:proto": "mkdir -p ./dist && protoc --plugin=./node_modules/.bin/protoc-gen-ts_proto --ts_proto_opt=exportCommonSymbols=false --ts_proto_opt=snakeToCamel=false --ts_proto_opt=stringEnums=true --ts_proto_opt=onlyTypes=true --ts_proto_opt=emitImportedFiles=false --proto_path=../bens-proto/proto --proto_path=../../proto/ --ts_proto_out=./dist ../bens-proto/proto/types.proto ../bens-proto/proto/domains_extractor.proto ../bens-proto/proto/multichain_domains.proto",
+    "compile:ts": "tsc --declaration ./index.ts"
   },
   "repository": {
     "type": "git",