Chore: CRW-4043 adding brew.Dockerfile and readme explaining Dockerfiles

[SDawley]

The README is mostly so people know not to try to use brew.Dockerfile.

[nickboldt]

+1, with some small optional tweaks to the readme

[devstudio-release]

Build 3.6 :: machineexec_3.x/90: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: sync-to-downstream_3.x/2740: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: get-sources-rhpkg-container-build_3.x/2577: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: push-latest-container-to-quay_3.x/1959: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: get-sources-rhpkg-container-build_3.x/2577:

machineexec : 3.x :: Build 51331465 : quay.io/devspaces/machineexec-rhel8:3.6-12
SUCCESS; copied to quay; /DS_CI/push-latest-container-to-quay_3.x/1959 triggered

[devstudio-release]

Build 3.6 :: machineexec_3.x/90:

Upstream sync done; /DS_CI/sync-to-downstream_3.x/2740 triggered

[devstudio-release]

Build 3.6 :: update-digests_3.x/2494: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: update-digests_3.x/2494:

No new images detected: nothing to do!

[devstudio-release]

Build 3.6 :: machineexec_3.x/91: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: sync-to-downstream_3.x/2747: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: get-sources-rhpkg-container-build_3.x/2582: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: push-latest-container-to-quay_3.x/1963: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: get-sources-rhpkg-container-build_3.x/2582:

machineexec : 3.x :: Build 51418610 : quay.io/devspaces/machineexec-rhel8:3.6-13
SUCCESS; copied to quay; /DS_CI/push-latest-container-to-quay_3.x/1963 triggered

[devstudio-release]

Build 3.6 :: machineexec_3.x/91:

Upstream sync done; /DS_CI/sync-to-downstream_3.x/2747 triggered

[devstudio-release]

Build 3.6 :: update-digests_3.x/2522: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: operator-bundle_3.x/1020: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: sync-to-downstream_3.x/2756: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: get-sources-rhpkg-container-build_3.x/2591: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: push-latest-container-to-quay_3.x/1970: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: copyIIBsToQuay/1164: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: get-sources-rhpkg-container-build_3.x/2591:

devspaces-operator-bundle : 3.x :: Build 51418664 : quay.io/devspaces/devspaces-operator-bundle:3.6-118
SUCCESS; copied to quay; /DS_CI/push-latest-container-to-quay_3.x/1970 triggered;

Bundle CSV related images:
- quay.io/devspaces/code-rhel8:3.6-31
- quay.io/devspaces/configbump-rhel8:3.6-10
- quay.io/devspaces/dashboard-rhel8:3.6-24
- quay.io/devspaces/devfileregistry-rhel8:3.6-58
- quay.io/devspaces/devspaces-rhel8-operator:3.6-20
- quay.io/devspaces/idea-rhel8:3.6-20
- quay.io/devspaces/machineexec-rhel8:3.6-13
- quay.io/devspaces/pluginregistry-rhel8:3.6-13
- quay.io/devspaces/server-rhel8:3.6-26
- quay.io/devspaces/traefik-rhel8:3.6-6
- quay.io/devspaces/udi-rhel8:3.6-13
= registry.redhat.io/devworkspace/devworkspace-rhel8-operator:0.19-4
= registry.redhat.io/openshift4/ose-kube-rbac-proxy:v4.11.0-202302271715.p0.ga805ba5.assembly.stream
= registry.redhat.io/openshift4/ose-oauth-proxy:v4.11.0-202302271715.p0.gaad1b28.assembly.stream
= registry.redhat.io/rhel8/postgresql-13:1-109
= registry.redhat.io/rhel8/postgresql-96:1-159
= registry.redhat.io/rhscl/mongodb-36-rhel7:1-50
= registry.redhat.io/ubi8/ubi-minimal:8.6-994

[devstudio-release]

Build 3.6 :: sync-to-downstream_3.x/2756:

Build container: devspaces-operator-bundle synced; /DS_CI/get-sources-rhpkg-container-build_3.x/2591 triggered; /job/DS_CI/job/dsc_3.x triggered;

[devstudio-release]

Build 3.6 :: operator-bundle_3.x/1020:

Upstream sync done; /DS_CI/sync-to-downstream_3.x/2756 triggered

[devstudio-release]

Build 3.6 :: update-digests_3.x/2522:

Detected new images: rebuild operator-bundle
* configbump
* devfileregistry
* devspaces-operator
* imagepuller
* machineexec; /DS_CI/operator-bundle_3.x/1020 triggered

[devstudio-release]

Build 3.6 :: dsc_3.x/727: Console, Changes, Git Data

[devstudio-release]

Build 3.6 :: dsc_3.x/727:

3.6.0 CI

[devstudio-release]

Build 3.6 :: copyIIBsToQuay/1164:

3.6
arches = x86_64, s390x, ppc64le;
  * LATEST DS OPERATOR BUNDLE = <a href=https://quay.io/repository/devspaces/devspaces-operator-bundle?tab=tags>registry-proxy.engineering.redhat.com/rh-osbs/devspaces-operator-bundle:3.6-118
  * LATEST DWO OPERATOR BUNDLE = <a href=https://quay.io/repository/devworkspace/devworkspace-operator-bundle?tab=tags>registry-proxy.engineering.redhat.com/rh-osbs/devworkspace-operator-bundle:0.19-4
+ ppc64le-rhel8 IIB(s) copied:
  + quay.io/devspaces/iib:3.6-v4.13-453809-440885-ppc64le
  + quay.io/devspaces/iib:3.6-v4.13-ppc64le
  + quay.io/devspaces/iib:next-v4.13-ppc64le
  + quay.io/devspaces/iib:3.6-v4.12-453801-440880-ppc64le
  + quay.io/devspaces/iib:3.6-v4.12-ppc64le
  + quay.io/devspaces/iib:next-v4.12-ppc64le
  + quay.io/devspaces/iib:3.6-v4.11-456604-440871-ppc64le
  + quay.io/devspaces/iib:3.6-v4.11-ppc64le
  + quay.io/devspaces/iib:next-v4.11-ppc64le
  + quay.io/devspaces/iib:3.6-v4.10-456603-440866-ppc64le
  + quay.io/devspaces/iib:3.6-v4.10-ppc64le
  + quay.io/devspaces/iib:next-v4.10-ppc64le
+ s390x-rhel8 IIB(s) copied:
  + quay.io/devspaces/iib:3.6-v4.13-453809-440885-s390x
  + quay.io/devspaces/iib:3.6-v4.13-s390x
  + quay.io/devspaces/iib:next-v4.13-s390x
  + quay.io/devspaces/iib:3.6-v4.12-453801-440880-s390x
  + quay.io/devspaces/iib:3.6-v4.12-s390x
  + quay.io/devspaces/iib:next-v4.12-s390x
  + quay.io/devspaces/iib:3.6-v4.11-456604-440871-s390x
  + quay.io/devspaces/iib:3.6-v4.11-s390x
  + quay.io/devspaces/iib:next-v4.11-s390x
  + quay.io/devspaces/iib:3.6-v4.10-456603-440866-s390x
  + quay.io/devspaces/iib:3.6-v4.10-s390x
  + quay.io/devspaces/iib:next-v4.10-s390x
  * LATEST DS OPERATOR BUNDLE = <a href=https://quay.io/repository/devspaces/devspaces-operator-bundle?tab=tags>registry-proxy.engineering.redhat.com/rh-osbs/devspaces-operator-bundle:3.6-119
+ x86_64-rhel8 IIB(s) copied:
  + quay.io/devspaces/iib:3.6-v4.13-453809-440885-x86_64
  + quay.io/devspaces/iib:3.6-v4.13-x86_64
  + quay.io/devspaces/iib:next-v4.13-x86_64
  + quay.io/devspaces/iib:3.6-v4.12-456608-440880-x86_64
  + quay.io/devspaces/iib:3.6-v4.12-x86_64
  + quay.io/devspaces/iib:next-v4.12-x86_64
  + quay.io/devspaces/iib:3.6-v4.11-456604-440871-x86_64
  + quay.io/devspaces/iib:3.6-v4.11-x86_64
  + quay.io/devspaces/iib:next-v4.11-x86_64
  + quay.io/devspaces/iib:3.6-v4.10-456603-440866-x86_64
  + quay.io/devspaces/iib:3.6-v4.10-x86_64
  + quay.io/devspaces/iib:next-v4.10-x86_64