modified config, database seed connects to PG, imported sql scripts from previous version

src/main/java/com/innocuoussymmetry/recipin/controllers/UserController.java

@@ -0,0 +1,35 @@
+package com.innocuoussymmetry.recipin.controllers;
+
+import com.innocuoussymmetry.recipin.models.User;
+import com.innocuoussymmetry.recipin.repositories.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.Optional;
+
+@RestController
+@RequestMapping("/user")
+public class UserController {
+    private final UserRepository userRepository;
+
+    @Autowired
+    public UserController(UserRepository userRepository) {
+        this.userRepository = userRepository;
+    }
+
+    @GetMapping
+    public Iterable<User> getAllUsers() {
+        return userRepository.findAll();
+    }
+
+    @GetMapping("/{id}")
+    public User getUserById(Integer id) {
+        Optional<User> maybe = userRepository.findById(id);
+        if (maybe.isEmpty()) {
+            return null;
+        }
+
+        return maybe.get();
+    }
+}