Imports of package envy

PathSynopsis
flagPackage flag implements command-line flag parsing.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/joho/godotenvPackage godotenv is a go port of the ruby dotenv library (https://github.com/bkeepers/dotenv)
osPackage os provides a platform-independent interface to operating system functionality.
os/execPackage exec runs external commands.
path/filepathPackage filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.
runtimePackage runtime contains operations that interact with Go's runtime system, such as functions to control goroutines.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.