feat(odin): ported restore command to odin.

cmd_restore.odin

@@ -0,0 +1,53 @@
+package main
+
+import "core:fmt"
+import "core:os"
+import "core:path/filepath"
+import "core:strings"
+
+cmd_restore :: proc(cmd: ^Command) {
+    if len(cmd.args) != 1 {
+        fmt.println("Usage: envr restore <path>")
+        return
+    }
+
+    path := cmd.args[0]
+    if len(strings.trim_space(path)) == 0 {
+        fmt.println("Error: No path provided")
+        return
+    }
+
+    abs_path: string
+    if filepath.is_abs(path) {
+        abs_path = path
+    } else {
+        resolved, abs_err := filepath.abs(path)
+        if abs_err != nil {
+            fmt.printf("Error getting absolute path: %v\n", abs_err)
+            return
+        }
+        abs_path = resolved
+    }
+
+    db, db_ok := db_open()
+    if !db_ok {
+        return
+    }
+    defer db_close(&db)
+
+    file, fetch_ok := db_fetch(&db, abs_path)
+    if !fetch_ok {
+        return
+    }
+
+    dir := filepath.dir(file.Path)
+    os.mkdir_all(dir)
+
+    write_err := os.write_entire_file(file.Path, file.contents)
+    if write_err != nil {
+        fmt.printf("Error writing file: %v\n", write_err)
+        return
+    }
+
+    fmt.printf("Restored %s\n", file.Path)
+}