Initial setup (first pass) (#1)

* Updated Elixir version; made phx interactive

* Added JS formatting rules

* Added yt-dlp to dockerfile

* Added a basic PR template

* Added default responses for the PR template

Dockerfile

@@ -3,7 +3,8 @@ FROM elixir:latest
 
 # Install debian packages
 RUN apt-get update -qq
-RUN apt-get install -y inotify-tools postgresql-client ffmpeg 
+RUN apt-get install -y inotify-tools postgresql-client ffmpeg \
+  python3 python3-pip python3-setuptools python3-wheel python3-dev
 
 # Install nodejs
 RUN curl -sL https://deb.nodesource.com/setup_20.x -o nodesource_setup.sh
@@ -15,6 +16,10 @@ RUN npm install -g yarn
 RUN mix local.hex --force
 RUN mix local.rebar --force
 
+# Download YT-DLP
+# NOTE: If you're seeing weird issues, consider using the FFMPEG released by yt-dlp
+RUN python3 -m pip install -U --pre yt-dlp
+
 # Create app directory and copy the Elixir projects into it.
 WORKDIR /app
 COPY . ./