feat(api): add post viewing and creation

backend/forum.py

@@ -0,0 +1,51 @@
+from fastapi import Body, FastAPI
+from pydantic import BaseModel
+
+app = FastAPI()
+
+
+class Post:
+    id: int
+    title: str
+    content: str
+
+    def __init__(self, id, title, content):
+        self.id = id
+        self.title = title
+        self.content = content
+
+
+class PostCreate(BaseModel):
+    title: str
+    content: str
+
+
+POSTS = [
+    Post(1, 'first post', 'fbpb'),
+    Post(2, 'second_post', 'second post bitttttch')
+]
+
+
+@app.get("/")
+async def home():
+    return POSTS
+
+
+@app.post("/post")
+async def create_post(data: PostCreate):
+    post = Post(
+        id=len(POSTS) + 1,
+        title=data.title,
+        content=data.content
+    )
+    POSTS.append(post)
+    return POSTS[-1]
+
+
+@app.get("/{post_id}")
+async def get_post(post_id: int):
+    for post in POSTS:
+        if post.get('post_id') == post_id:
+            return post
+
+    return {}

backend/requirements.txt

@@ -0,0 +1,2 @@
+fastapi
+uvicorn[standard]