Update outdated toc in README.md

Links to command line arguments where all broken on github, since preceding dashes where missing from the links. This commit contains an autogenerated doc after running: doctoc --github README.md (version 1.4.0)

README.md

@@ -25,53 +25,54 @@ _If you are interested in contributing to kaniko, see [DEVELOPMENT.md](DEVELOPME
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 **Table of Contents**  *generated with [DocToc](https://github.com/thlorenz/doctoc)*
 
-- [kaniko - Build Images In Kubernetes](#kaniko---build-images-in-kubernetes)
-  - [How does kaniko work?](#how-does-kaniko-work)
-  - [Known Issues](#known-issues)
-  - [Demo](#demo)
-  - [Tutorial](#tutorial)
-  - [Using kaniko](#using-kaniko)
-    - [kaniko Build Contexts](#kaniko-build-contexts)
-    - [Using Private Git Repository](#using-private-git-repository)
-    - [Running kaniko](#running-kaniko)
-      - [Running kaniko in a Kubernetes cluster](#running-kaniko-in-a-kubernetes-cluster)
-        - [Kubernetes secret](#kubernetes-secret)
-      - [Running kaniko in gVisor](#running-kaniko-in-gvisor)
-      - [Running kaniko in Google Cloud Build](#running-kaniko-in-google-cloud-build)
-      - [Running kaniko in Docker](#running-kaniko-in-docker)
-    - [Caching](#caching)
-      - [Caching Layers](#caching-layers)
-      - [Caching Base Images](#caching-base-images)
-    - [Pushing to Different Registries](#pushing-to-different-registries)
-      - [Pushing to Docker Hub](#pushing-to-docker-hub)
-      - [Pushing to Amazon ECR](#pushing-to-amazon-ecr)
-    - [Additional Flags](#additional-flags)
-      - [--build-arg](#build-arg)
-      - [--cache](#cache)
-      - [--cache-dir](#cache-dir)
-      - [--cache-repo](#cache-repo)
-      - [--digest-file](#digest-file)
-      - [--oci-layout-path](#oci-layout-path)
-      - [--insecure-registry](#insecure-registry)
-      - [--skip-tls-verify-registry](#skip-tls-verify-registry)
-      - [--cleanup](#cleanup)
-      - [--insecure](#insecure)
-      - [--insecure-pull](#insecure-pull)
-      - [--no-push](#no-push)
-      - [--reproducible](#reproducible)
-      - [--single-snapshot](#single-snapshot)
-      - [--skip-tls-verify](#skip-tls-verify)
-      - [--skip-tls-verify-pull](#skip-tls-verify-pull)
-      - [--snapshotMode](#snapshotmode)
-      - [--target](#target)
-      - [--tarPath](#tarpath)
-      - [--verbosity](#verbosity)
-    - [Debug Image](#debug-image)
-  - [Security](#security)
-  - [Comparison with Other Tools](#comparison-with-other-tools)
-  - [Community](#community)
-  - [Limitations](#limitations)
-    - [mtime and snapshotting](#mtime-and-snapshotting)
+- [Community](#community)
+- [How does kaniko work?](#how-does-kaniko-work)
+- [Known Issues](#known-issues)
+- [Demo](#demo)
+- [Tutorial](#tutorial)
+- [Using kaniko](#using-kaniko)
+  - [kaniko Build Contexts](#kaniko-build-contexts)
+  - [Using Azure Blob Storage](#using-azure-blob-storage)
+  - [Using Private Git Repository](#using-private-git-repository)
+  - [Running kaniko](#running-kaniko)
+    - [Running kaniko in a Kubernetes cluster](#running-kaniko-in-a-kubernetes-cluster)
+      - [Kubernetes secret](#kubernetes-secret)
+    - [Running kaniko in gVisor](#running-kaniko-in-gvisor)
+    - [Running kaniko in Google Cloud Build](#running-kaniko-in-google-cloud-build)
+    - [Running kaniko in Docker](#running-kaniko-in-docker)
+  - [Caching](#caching)
+    - [Caching Layers](#caching-layers)
+    - [Caching Base Images](#caching-base-images)
+  - [Pushing to Different Registries](#pushing-to-different-registries)
+    - [Pushing to Docker Hub](#pushing-to-docker-hub)
+    - [Pushing to Amazon ECR](#pushing-to-amazon-ecr)
+  - [Additional Flags](#additional-flags)
+    - [--build-arg](#--build-arg)
+    - [--cache](#--cache)
+    - [--cache-dir](#--cache-dir)
+    - [--cache-repo](#--cache-repo)
+    - [--digest-file](#--digest-file)
+    - [--oci-layout-path](#--oci-layout-path)
+    - [--insecure-registry](#--insecure-registry)
+    - [--skip-tls-verify-registry](#--skip-tls-verify-registry)
+    - [--cleanup](#--cleanup)
+    - [--insecure](#--insecure)
+    - [--insecure-pull](#--insecure-pull)
+    - [--no-push](#--no-push)
+    - [--reproducible](#--reproducible)
+    - [--single-snapshot](#--single-snapshot)
+    - [--skip-tls-verify](#--skip-tls-verify)
+    - [--skip-tls-verify-pull](#--skip-tls-verify-pull)
+    - [--snapshotMode](#--snapshotmode)
+    - [--target](#--target)
+    - [--tarPath](#--tarpath)
+    - [--verbosity](#--verbosity)
+  - [Debug Image](#debug-image)
+- [Security](#security)
+- [Comparison with Other Tools](#comparison-with-other-tools)
+- [Community](#community-1)
+- [Limitations](#limitations)
+  - [mtime and snapshotting](#mtime-and-snapshotting)
 
 <!-- END doctoc generated TOC please keep comment here to allow auto update -->