fix: initialize typescript to provide typings.

Author: BanDroid

src/main.d.ts main.d.tssrc/main.d.ts renamed to main.d.ts

@@ -0,0 +1,11 @@
+{
+	"compilerOptions": {
+		"target": "es2016",
+		"module": "commonjs",
+		"allowJs": true,
+		"esModuleInterop": true,
+		"forceConsistentCasingInFileNames": true,
+		"strict": true,
+		"skipLibCheck": true
+	}
+}