Update tsconfig and fix main script

package.json

@@ -2,7 +2,7 @@
     "name": "mpp-server",
     "version": "2.0.0",
     "description": "Hri7566's MPP Server",
-    "main": "index.js",
+    "main": "out/index.js",
     "scripts": {
         "start": "node .",
         "build": "npx tsc",

tsconfig.json

@@ -31,6 +31,9 @@
         // "moduleResolution": "node10",                     /* Specify how TypeScript looks up a file from a given module specifier. */
         // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
         // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
+        "paths": {
+            "~/*": ["./src/*"]
+        },
         // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
         // "typeRoots": [],                                  /* Specify multiple folders that act like './node_modules/@types'. */
         // "types": [],                                      /* Specify type package names to be included without being referenced in a source file. */