bug(link): add s03 final code folder

Also add link to downloadable zip file in s04

Author: jslvtr

docs/docs/03_first_rest_api/09_final_code/end/app.py

@@ -0,0 +1,45 @@
+from flask import Flask, request
+
+app = Flask(__name__)
+
+stores = [{"name": "My Store", "items": [{"name": "Chair", "price": 15.99}]}]
+
+
+@app.get("/store")
+def get_stores():
+    return {"stores": stores}
+
+
+@app.post("/store")
+def create_store():
+    request_data = request.get_json()
+    new_store = {"name": request_data["name"], "items": []}
+    stores.append(new_store)
+    return new_store, 201
+
+
+@app.post("/store/<string:name>/item")
+def create_item(name):
+    request_data = request.get_json()
+    for store in stores:
+        if store["name"] == name:
+            new_item = {"name": request_data["name"], "price": request_data["price"]}
+            store["items"].append(new_item)
+            return new_item, 201
+    return {"message": "Store not found"}, 404
+
+
+@app.get("/store/<string:name>")
+def get_store(name):
+    for store in stores:
+        if store["name"] == name:
+            return store
+    return {"message": "Store not found"}, 404
+
+
+@app.get("/store/<string:name>/item")
+def get_item_in_store(name):
+    for store in stores:
+        if store["name"] == name:
+            return {"items": store["items"]}
+    return {"message": "Store not found"}, 404

docs/docs/04_docker_intro/03_run_docker_container/README.md

@@ -6,7 +6,7 @@ Docker Desktop is an application to help you manage your images and containers.
 
 ## Create your Docker image
 
-Next, download the REST API code from Section 3. You can download it here: LINK.
+Next, download the REST API code from Section 3. You can download it [here](https://www.dropbox.com/s/qs28amk2h420f2y/s03-final-code.zip?dl=0).
 
 If you want to use the code you wrote while following the videos, that's fine! Just make sure it works by running the Flask app locally and testing it with Insomnia REST Client or Postman.