Update example for inlets-operator for K8s 1.18

Changelog for 0.3.3:

• PR #107 Update README.md with the renaming of nginx-ingress by @aledbf

Commits
519c056 Add note for running Nginx on K8s 1.18 by @alexellis
c021d77 Update README.md with the renaming of nginx-ingress by @aledbf
e5701fa Update as per lgtm.com by @alexellis

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Trim any whitespace from inlets PRO license

Changelog for 0.3.2:

Commits
9757df6 Trim whitespace from license read from file by @alexellis

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Migrate to new ingress-nginx app

Changelog for 0.3.1:

• PR #105 Update name and location of nginx-ingress chart by @aledbf

Commits
81b23d9 Update name and location of nginx-ingress chart by @aledbf

nginx-ingress in the stable repo has moved to ingress-nginx in its own GitHub Pages Helm repo.

No immediate action is required, but you should now install via ingress-nginx.

arkade install --help

Install Kubernetes apps from helm charts or YAML files using the "install" 
command. Helm 3 is used by default unless you pass --helm3=false, then helm 2
will be used to generate YAML files which are applied without tiller.

You can also find the post-install message for each app with the "info" 
command.

Usage:
  arkade install [flags]
  arkade install [command]

Examples:
  arkade install
  arkade install openfaas --helm3 --gateways=2
  arkade install inlets-operator --token-file $HOME/do-token

Available Commands:
  argocd                  Install argocd
  cert-manager            Install cert-manager
  chart                   Install the specified helm chart
  cron-connector          Install cron-connector for OpenFaaS
  crossplane              Install Crossplane
  docker-registry         Install a Docker registry
  docker-registry-ingress Install registry ingress with TLS
  grafana                 Install grafana
  info                    Find info about a Kubernetes app
  ingress-nginx           Install ingress-nginx
  inlets-operator         Install inlets-operator
  istio                   Install istio
  jenkins                 Install jenkins
  kafka-connector         Install kafka-connector for OpenFaaS
  kube-state-metrics      Install kube-state-metrics
  kubernetes-dashboard    Install kubernetes-dashboard
  linkerd                 Install linkerd
  metrics-server          Install metrics-server
  minio                   Install minio
  mongodb                 Install mongodb
  openfaas                Install openfaas
  openfaas-ingress        Install openfaas ingress with TLS
  portainer               Install portainer to visualise and manage containers
  postgresql              Install postgresql
  tekton                  Install Tekton pipelines and dashboard
  traefik2                Install traefik2

Update with:

arkade update

Generated by Derek

Fix for max-inflight value for OpenFaaS

Changelog for 0.3.0:

Commits
bc8ece5 Fix issue with max_inflight flag mismatch by @alexellis

Fixes: #106 with incorrect max_inflight value set for NATS in the OpenFaaS app

arkade update

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Add --max-inflight to openfaas

Changelog for 0.2.9:

• PR #99 Fixes #98: Add stable repo for grafana by @aidun

Commits
496f8b4 Add max-inflight flag to openfaas by @alexellis
0e93e38 Fixes #98: Add stable repo for grafana by @aidun
54037ee Inline travis build environment by @alexellis

Generated by Derek

Add Jenkins app

Changelog for 0.2.8:

• PR #90 Fixes #82: Add Jenkins App by @aidun

arkade install jenkins --help

Commits
8f311a3 Update Jenkins messages by @alexellis
c6d2943 Fixes #82: Add Jenkins App by @aidun

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Fix issue with Istio init timing

Changelog for 0.2.7:

• PR #95 Fix issue with Istio init timing by @alexellis

Commits
a7b2c4c Fix issue with Istio init timing by @alexellis

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Fix download of Helm on Git Bash

Changelog for 0.2.6:

• PR #93 Fix download of Helm on Git Bash by @alexellis
• PR #87 Updated installation message by @kadern0

Commits
0f49b2b Fix download of Helm on Git Bash by @alexellis
4a2c870 Updated comment by @kadern0

Generated by Derek

Add tekton and kube-state-metrics

Changelog for 0.2.5:

• PR #84 Support downloading into a folder with a space by @amalkh5
• PR #85 Added kube-state-metrics app by @kadern0
• PR #61 Add Tekton App by @nickgerace

arkade update

arkade install tekton --help
arkade install kube-state-metrics --help

Commits
e3da63c support downloading into a folder with a space by @amalkh5
ff83f7e Added kube-state-metrics app by @kadern0
b67628f Add Tekton app by @nickgerace

Generated by Derek

Add license flag for inlets-operator

Changelog for 0.2.4:

• PR #83 Fixes #64 add license file for inlets operator by @amalkh5

Commits
bd4d1d4 add license key file for inlets-operator as command line flag by @amalkh5

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