📚 Add documentation and metadata for new tools: just, rg, and xh

meta.json

@@ -4,16 +4,33 @@
         "repo": "https://github.com/muesli/duf",
         "description": "Disk Usage/Free Utility - a better 'df' alternative"
     },
+    {
+        "name": "just",
+        "repo": "https://github.com/casey/just",
+        "description": "🤖 Just a command runner"
+    },
     {
         "name": "mise",
         "repo": "https://github.com/jdx/mise",
         "description": "dev tools, env vars, task runner"
     },
+    {
+        "name": "rg",
+        "aliases": "ripgrep",
+        "repo": "https://github.com/burntsushi/ripgrep",
+        "description": "ripgrep recursively searches directories for a regex pattern while respecting your gitignore"
+    },
     {
         "name": "uv",
         "repo": "https://github.com/astral-sh/uv",
         "description": "An extremely fast Python package and project manager, written in Rust."
     },
+    {
+        "name": "xh",
+        "aliases": "ripgrep",
+        "repo": "https://github.com/ducaale/xh",
+        "description": "Friendly and fast tool for sending HTTP requests"
+    },
     {
         "name": "zb",
         "aliases": "zerobrew",