Imports of feeder command

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
encoding/base64Package base64 implements base64 encoding as specified by RFC 4648.
encoding/jsonPackage json implements encoding and decoding of JSON as defined in RFC 7159.
encoding/pemPackage pem implements the PEM data encoding, which originated in Privacy Enhanced Mail.
errorsPackage errors implements functions to manipulate errors.
flagPackage flag implements command-line flag parsing.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/google/certificate-transparency-goPackage ct holds core types and utilities for Certificate Transparency.
github.com/google/certificate-transparency-go/clientPackage client is a CT log client implementation and contains types and code for interacting with RFC6962-compliant CT Log instances.
github.com/google/certificate-transparency-go/internal/witness/client/httpPackage http is a simple client for interacting with witnesses over HTTP.
github.com/google/certificate-transparency-go/jsonclientPackage jsonclient provides a simple client for fetching and parsing JSON CT structures from a log.
github.com/google/certificate-transparency-go/loglist3Package loglist3 allows parsing and searching of the master CT Log list.
ioPackage io provides basic interfaces to I/O primitives.
k8s.io/klog/v2Package klog contains the following functionality:
net/httpPackage http provides HTTP client and server implementations.
net/urlPackage url parses URLs and implements query escaping.
osPackage os provides a platform-independent interface to operating system functionality.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.
timePackage time provides functionality for measuring and displaying time.