README: update outdated links

Most frustratingly, the outdated docker-compose link prompts users to
download an older version of the docker-compose.yml file, which packages
a broken YouTube retrieval method.

README.md

@@ -16,7 +16,7 @@ curl -sSL 'https://get.archivebox.io' | sh
 
 <!--<a href="http://webchat.freenode.net?channels=ArchiveBox&uio=d4"><img src="https://img.shields.io/badge/Community_chat-IRC-%2328A745.svg"/></a>-->
 
-<a href="https://github.com/ArchiveBox/ArchiveBox/blob/master/LICENSE"><img src="https://img.shields.io/badge/Open_source-MIT-green.svg?logo=git&logoColor=green"/></a>
+<a href="https://github.com/ArchiveBox/ArchiveBox/blob/dev/LICENSE"><img src="https://img.shields.io/badge/Open_source-MIT-green.svg?logo=git&logoColor=green"/></a>
 <a href="https://github.com/ArchiveBox/ArchiveBox"><img src="https://img.shields.io/github/stars/ArchiveBox/ArchiveBox.svg?logo=github&label=Stars&logoColor=blue"/></a>
 <a href="https://github.com/ArchiveBox/ArchiveBox/commits/dev"><img src="https://img.shields.io/github/last-commit/ArchiveBox/ArchiveBox.svg?logo=Sublime+Text&logoColor=green&label=active"/></a> &nbsp;
 <a href="https://pypi.org/project/archivebox/"><img src="https://img.shields.io/badge/Python-yellow.svg?logo=python&logoColor=yellow"/></a>
@@ -86,7 +86,7 @@ ls ./archive/*/index.json                 # or browse directly via the filesyste
 
 ## Key Features
 
-- [**Free & open source**](https://github.com/ArchiveBox/ArchiveBox/blob/master/LICENSE), doesn't require signing up online, stores all data locally
+- [**Free & open source**](https://github.com/ArchiveBox/ArchiveBox/blob/dev/LICENSE), doesn't require signing up online, stores all data locally
 - [**Powerful, intuitive command line interface**](https://github.com/ArchiveBox/ArchiveBox/wiki/Usage#CLI-Usage) with [modular optional dependencies](#dependencies) 
 - [**Comprehensive documentation**](https://github.com/ArchiveBox/ArchiveBox/wiki), [active development](https://github.com/ArchiveBox/ArchiveBox/wiki/Roadmap), and [rich community](https://github.com/ArchiveBox/ArchiveBox/wiki/Web-Archiving-Community)
 - [**Extracts a wide variety of content out-of-the-box**](https://github.com/ArchiveBox/ArchiveBox/issues/51): [media (youtube-dl or yt-dlp), articles (readability), code (git), etc.](#output-formats)
@@ -119,9 +119,9 @@ ls ./archive/*/index.json                 # or browse directly via the filesyste
 <br/><br/>
 <ol>
 <li>Install <a href="https://docs.docker.com/get-docker/">Docker</a> and <a href="https://docs.docker.com/compose/install/#install-using-pip">Docker Compose</a> on your system (if not already installed).</li>
-<li>Download the <a href="https://raw.githubusercontent.com/ArchiveBox/ArchiveBox/master/docker-compose.yml" download><code>docker-compose.yml</code></a> file into a new empty directory (can be anywhere).
+<li>Download the <a href="https://raw.githubusercontent.com/ArchiveBox/ArchiveBox/dev/docker-compose.yml" download><code>docker-compose.yml</code></a> file into a new empty directory (can be anywhere).
 <pre lang="bash"><code style="white-space: pre-line">mkdir ~/archivebox && cd ~/archivebox
-curl -O 'https://raw.githubusercontent.com/ArchiveBox/ArchiveBox/master/docker-compose.yml'
+curl -O 'https://raw.githubusercontent.com/ArchiveBox/ArchiveBox/dev/docker-compose.yml'
 </code></pre></li>
 <li>Run the initial setup and create an admin user.
 <pre lang="bash"><code style="white-space: pre-line">docker compose run archivebox init --setup
@@ -499,7 +499,7 @@ env CHROME_BINARY=chromium archivebox ...       # run with a one-off config
 
 <sup>These methods also work the same way when run inside Docker, see the <a href="https://github.com/ArchiveBox/ArchiveBox/wiki/Docker#configuration">Docker Configuration</a> wiki page for details.</sup>
 
-**The config loading logic with all the options defined is here: [`archivebox/config.py`](https://github.com/ArchiveBox/ArchiveBox/blob/master/archivebox/config.py).**
+**The config loading logic with all the options defined is here: [`archivebox/config.py`](https://github.com/ArchiveBox/ArchiveBox/blob/dev/archivebox/config.py).**
 
 Most options are also documented on the **[Configuration Wiki page](https://github.com/ArchiveBox/ArchiveBox/wiki/Configuration)**.
 
@@ -867,7 +867,7 @@ All contributions to ArchiveBox are welcomed! Check our [issues](https://github.
 
 For low hanging fruit / easy first tickets, see: <a href="https://github.com/ArchiveBox/ArchiveBox/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc+label%3A%22help+wanted%22">ArchiveBox/Issues `#good first ticket` `#help wanted`</a>.
 
-**Python API Documentation:** https://docs.archivebox.io/en/master/archivebox.html#module-archivebox.main
+**Python API Documentation:** https://docs.archivebox.io/en/dev/archivebox.html#module-archivebox.main
 
 ### Setup the dev environment