feat: Added uninstall command.

cli.odin

@@ -143,6 +143,13 @@ key somewhere, otherwise your data could be lost forever.`,
 		flags = {.Help},
 		args = {{name = "shell", ntype = "string", completion = "shells"}},
 	},
+	{
+		name = "uninstall",
+		usage = "envr uninstall",
+		short = "Remove envr configuration and database",
+		long = "This will remove all files generated by envr from your system.",
+		flags = GLOBAL_FLAGS + {.Force},
+	},
 }
 
 // Caller is responsible for calling delete_command(cmd).