clean up type declarations

api/types/projects.d.ts

@@ -0,0 +1,15 @@
+type Repository = {
+  name: string;
+  url: string;
+  description: string;
+  primaryLanguage?: {
+    color: string;
+    name: string;
+  };
+  stargazerCount: number;
+  stargazerCount_pretty?: string;
+  forkCount: number;
+  forkCount_pretty?: string;
+  pushedAt: string;
+  pushedAt_relative?: string;
+};