Adds build on push and also a readme typo i noticed

Author: AbstractUmbra

.github/workflows/build.yml

@@ -0,0 +1,37 @@
+# Runs a build test on every commit to ensure functionality.
+
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+      - develop
+  pull_request:
+    branches:
+      - main
+      - develop
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: [3.8, 3.9]
+
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: $ {{ matrix.python-version }}
+
+      - name: Set up Poetry
+        uses: Gr1N/setup-poetry@v4
+
+      - name: Install Python deps
+        run: |
+          poetry install --no-dev

README.md

@@ -45,7 +45,7 @@ paste.url
 >>> 'https://mystb.in/<your generated ID>.python'
 
 get_paste = await mystbin_client.get("https://mystb.in/<your generated ID>")
-str(paste)
+str(get_paste)
 >>> "Hello from MystBin!"
 
 paste.created_at
@@ -60,7 +60,8 @@ import requests
 sync_session = requests.Session()
 mystbin_client = mystbin.Client(session=sync_session) ## optional api_key kwarg also
 
-mystbin_client.post("Hello from sync Mystb.in!", syntax="text")
+paste = mystbin_client.post("Hello from sync Mystb.in!", syntax="text")
+str(paste)
 >>> 'https://mystb.in/<your generated ID>.text'
 ```