Improve Tinybird login experience

- This helps clean up the TB setup since we no longer need to install the CLI tools locally
- The service dependency chaining is a bit annoying here but it should all work
- We have to change some of the mounts around because of how TB works
  and where it expects tokens to be

tinybird/Dockerfile

@@ -9,6 +9,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 WORKDIR /home/tinybird
 
 # Install Tinybird using the standard installation script
+COPY handleLogin.sh /usr/local/bin/tinybird-login
+COPY tb-wrapper /usr/local/bin/tb-wrapper
+
 RUN curl https://tinybird.co | sh
 
 ENV PATH="/root/.local/bin:$PATH"