Setting up SWE-agent

<div class="grid cards"> <a href="source/" class="nav-card-link"> <div class="nav-card"> <div class="nav-card-header"> <span class="material-icons nav-card-icon">settings</span> <span class="nav-card-title">Install from source</span> </div> <p class="nav-card-description">Install SWE-agent locally from source using pip. This is the default option.</p> </div> </a> <a href="codespaces/" class="nav-card-link"> <div class="nav-card"> <div class="nav-card-header"> <span class="material-icons nav-card-icon">code</span> <span class="nav-card-title">All in browser</span> </div> <p class="nav-card-description">Run in a browser-based VSCode environment. Best for a quick first peek.</p> </div> </a> <a href="changelog/" class="nav-card-link"> <div class="nav-card"> <div class="nav-card-header"> <span class="material-icons nav-card-icon">newspaper</span> <span class="nav-card-title">Changelog</span> </div> <p class="nav-card-description">See what's new in SWE-agent!</p> </div> </a> </div>