fix: memberRepo methods syntax (#35)

* rearranged update member field and remove member to match expected structure in typeORM

* update docstring

* change insert to save in memberRepo

* added command in package.json

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Co-authored-by: Aster Fialla <asterfialla@gmail.com>

package.json

@@ -35,7 +35,7 @@
   "scripts": {
     "test": "jest",
     "start": "ts-node src/bot.js",
-    "build-db": "tsc",
+    "new-migration": "typeorm-ts-node-commonjs migration:create database/migrations/update",
     "generate-db": "typeorm-ts-node-commonjs migration:generate -d database/data-source.ts database/migrations/update",
     "run-migration": "typeorm-ts-node-commonjs migration:run -d database/data-source.ts"
   }