feat: add search terms to date (#5306)

* add search terms

* add search terms

* add search terms

* add search terms

* add search terms

* add search terms

* add search terms

* add search terms

* add search patterns

* run cargo fmt --all

crates/nu-command/src/filesystem/cd.rs

@@ -17,6 +17,10 @@ impl Command for Cd {
         "Change directory."
     }
 
+    fn search_terms(&self) -> Vec<&str> {
+        vec!["cd", "change", "directory", "dir", "folder", "switch"]
+    }
+
     fn signature(&self) -> nu_protocol::Signature {
         Signature::build("cd")
             .optional("path", SyntaxShape::Directory, "the path to change to")

crates/nu-command/src/filesystem/cp.rs

@@ -28,6 +28,10 @@ impl Command for Cp {
         "Copy files."
     }
 
+    fn search_terms(&self) -> Vec<&str> {
+        vec!["cp", "copy", "file", "files"]
+    }
+
     fn signature(&self) -> Signature {
         Signature::build("cp")
             .required("source", SyntaxShape::GlobPattern, "the place to copy from")

crates/nu-command/src/filesystem/glob.rs

@@ -32,6 +32,10 @@ impl Command for Glob {
         "Creates a list of files and/or folders based on the glob pattern provided."
     }
 
+    fn search_terms(&self) -> Vec<&str> {
+        vec!["glob", "files", "folders", "list", "ls"]
+    }
+
     fn examples(&self) -> Vec<Example> {
         vec![
             Example {

crates/nu-command/src/filesystem/mkdir.rs

@@ -32,6 +32,18 @@ impl Command for Mkdir {
         "Make directories, creates intermediary directories as required."
     }
 
+    fn search_terms(&self) -> Vec<&str> {
+        vec![
+            "mkdir",
+            "make",
+            "directory",
+            "dir",
+            "folder",
+            "make_dir",
+            "make_dirs",
+        ]
+    }
+
     fn run(
         &self,
         engine_state: &EngineState,

crates/nu-command/src/filesystem/mv.rs

@@ -29,6 +29,10 @@ impl Command for Mv {
         "Move files or directories."
     }
 
+    fn search_terms(&self) -> Vec<&str> {
+        vec!["mv", "move"]
+    }
+
     fn signature(&self) -> nu_protocol::Signature {
         Signature::build("mv")
             .required(

crates/nu-command/src/filesystem/open.rs

@@ -25,6 +25,10 @@ impl Command for Open {
         "Load a file into a cell, converting to table if possible (avoid by appending '--raw')."
     }
 
+    fn search_terms(&self) -> Vec<&str> {
+        vec!["open", "load", "read", "load_file", "read_file"]
+    }
+
     fn signature(&self) -> nu_protocol::Signature {
         Signature::build("open")
             .optional("filename", SyntaxShape::Filepath, "the filename to use")

crates/nu-command/src/filesystem/rm.rs

@@ -38,6 +38,10 @@ impl Command for Rm {
         "Remove file(s)."
     }
 
+    fn search_terms(&self) -> Vec<&str> {
+        vec!["rm", "remove"]
+    }
+
     fn signature(&self) -> Signature {
         let sig = Signature::build("rm");
         #[cfg(all(

crates/nu-command/src/filesystem/save.rs

@@ -20,6 +20,10 @@ impl Command for Save {
         "Save a file."
     }
 
+    fn search_terms(&self) -> Vec<&str> {
+        vec!["save", "write", "write_file"]
+    }
+
     fn signature(&self) -> nu_protocol::Signature {
         Signature::build("save")
             .required("filename", SyntaxShape::Filepath, "the filename to use")

crates/nu-command/src/filesystem/touch.rs

@@ -24,6 +24,10 @@ impl Command for Touch {
         "touch"
     }
 
+    fn search_terms(&self) -> Vec<&str> {
+        vec!["touch"]
+    }
+
     fn signature(&self) -> Signature {
         Signature::build("touch")
             .required(