fix: restore project description and fix Docker example quotes

Co-Authored-By: nc@answer.ai <nc@answer.ai>

Author: devin-ai-integration[bot]

README.md

@@ -205,7 +205,7 @@ top -b -n 1 | ssage explain system resource usage
 
 ``` sh
 # Container troubleshooting
-docker logs my-container | ssage what's wrong with this container?
+docker logs my-container | ssage "what is wrong with this container?"
 
 # Image optimization
 docker history my-image | ssage suggest optimization improvements

nbs/index.ipynb

@@ -7,6 +7,10 @@
    "source": [
     "# ShellSage\n",
     "\n",
+    "> ShellSage saves sysadmins' sanity by solving shell script snafus super swiftly\n",
+    "\n",
+    "ShellSage is an AI-powered command-line assistant that integrates seamlessly with your terminal workflow through tmux. It provides contextual help for shell operations, making it easier to navigate complex command-line tasks, debug scripts, and manage your system.\n",
+    "\n",
     "[![PyPI version](https://badge.fury.io/py/shell-sage.svg)](https://badge.fury.io/py/shell-sage)\n",
     "[![Python 3.8+](https://img.shields.io/badge/python-3.8+-blue.svg)](https://www.python.org/downloads/)\n",
     "[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)\n",
@@ -227,7 +231,7 @@
     "#### Docker Management\n",
     "```sh\n",
     "# Container troubleshooting\n",
-    "docker logs my-container | ssage what's wrong with this container?\n",
+    "docker logs my-container | ssage \"what is wrong with this container?\"\n",
     "\n",
     "# Image optimization\n",
     "docker history my-image | ssage suggest optimization improvements\n",