fix: ensure allowImportingTsExtensions is enabled (#5)

It can be useful for some external tools with older typescript version like `typescript-json-schema`

Refs: mljs/signal-processing#25 (comment)

Author: tpoisseau

configs/tsconfig.base.json

@@ -4,6 +4,7 @@
     "types": [],
     "target": "ES2023",
     "module": "NodeNext",
+    "allowImportingTsExtensions": true,
     "rewriteRelativeImportExtensions": true,
     "erasableSyntaxOnly": true,
     "strict": true,

package.json

@@ -5,6 +5,10 @@
   "files": [
     "configs"
   ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/zakodium/tsconfig"
+  },
   "exports": {
     ".": "./configs/tsconfig.base.json",
     "./jsx": "./configs/tsconfig.jsx.json"