First part of the housekeeping work around transfer (#632)

##### SUMMARY

This pull request is made against the `main` branch. This branch will become default after merging this PR.

- Remove license from file headers, 
- Remove `.mergify.yml`, 
- Update main license file,
- Change `develop` refs to `main`
- Change `ghcr.io` registry
- Remove the `$` from the copy-paste scripts. As a result, you can paste it to your terminal without any modification.
- Fix dead links: 
    ```bash
    npm install -g markdown-link-check
    # remote the CHANGELOG.md file first
    find . -name \*.md -print0 | xargs -0 -n1 markdown-link-check
    ```
- Update the `CHANGELOG.md` file.

Author: mszostok

.github/workflows/branch-build.yml

@@ -3,16 +3,16 @@ name: Branch build
 on:
   push:
     branches:
-      - develop
+      - main
 
 env:
   GO_VERSION: 1.18
   HELM_VERSION: v3.9.0
   K3D_VERSION: v5.4.3
   INTEGRATION_TESTS_TIMEOUT: 10m
   IMAGE_REGISTRY: "ghcr.io"
-  IMAGE_REPOSITORY: "infracloudio/botkube"
-  TEST_IMAGE_REPOSITORY: "infracloudio/botkube-test"
+  IMAGE_REPOSITORY: "kubeshop/botkube"
+  TEST_IMAGE_REPOSITORY: "kubeshop/botkube-test"
   IMAGE_TAG: v9.99.9-dev # TODO: Use commit hash tag to make the predictable builds for each commit on branch
   HELM_CHART_VERSION: v9.99.9-dev # TODO: Use commit hash tag to make the predictable builds for each commit on branch
 
@@ -39,7 +39,7 @@ jobs:
       with:
         registry: ghcr.io
         username: ${{ github.actor }}
-        password: ${{ secrets.GH_TOKEN }}
+        password: ${{ secrets.GITHUB_TOKEN }}
     - name: Install GoReleaser
       uses: goreleaser/goreleaser-action@v2
       with:
@@ -51,6 +51,7 @@ jobs:
       uses: azure/setup-helm@v1
       with:
         version: ${{ env.HELM_VERSION }}
+    # TODO: https://github.com/kubeshop/botkube/issues/634
     - name: Update and publish helm chart
       run: |
         cd ..
@@ -108,7 +109,7 @@ jobs:
             --set e2eTest.image.repository="${TEST_IMAGE_REPOSITORY}" \
             --set e2eTest.image.tag="${IMAGE_TAG}" \
             --set e2eTest.slack.testerAppToken="${SLACK_TESTER_APP_TOKEN}" \
-            --set e2eTest.slack.additionalContextMessage="Branch test - commit SHA: ${GITHUB_SHA} - https://github.com/infracloudio/botkube/commit/${GITHUB_SHA}"
+            --set e2eTest.slack.additionalContextMessage="Branch test - commit SHA: ${GITHUB_SHA} - https://github.com/kubeshop/botkube/commit/${GITHUB_SHA}"
 
       - name: Run tests
         run: "helm test botkube --namespace botkube --timeout=$INTEGRATION_TESTS_TIMEOUT --logs"

.github/workflows/pr-build.yaml

@@ -4,22 +4,19 @@ on:
   pull_request_target:
     types: [ opened, synchronize, reopened ]
     branches:
-      - "develop"
+      - "main"
     paths-ignore:
       - 'branding/**'
       - 'design/**'
       - '.codespell-whitelist'
       - '.gitignore'
       - '.golangci.yml'
-      - '.mergify.yml'
       - 'botkube-title.jpg'
       - 'botkube_arch.jpg'
       - 'CHANGELOG.md'
       - 'CODE_OF_CONDUCT.md'
       - 'comm_config.yaml'
       - 'CONTRIBUTING.md'
-      - 'deploy-all-in-one.yaml'
-      - 'deploy-all-in-one-tls.yaml'
       - 'LICENSE'
       - 'README.md'
       - 'resource_config.yaml'
@@ -31,8 +28,8 @@ env:
   PR_NUMBER: ${{ github.event.pull_request.number }}
   INTEGRATION_TESTS_TIMEOUT: 10m
   IMAGE_REGISTRY: "ghcr.io"
-  IMAGE_REPOSITORY: "infracloudio/pr/botkube"
-  TEST_IMAGE_REPOSITORY: "infracloudio/pr/botkube-test"
+  IMAGE_REPOSITORY: "kubeshop/pr/botkube"
+  TEST_IMAGE_REPOSITORY: "kubeshop/pr/botkube-test"
   IMAGE_TAG: ${{ github.event.pull_request.number }}-PR
   IMAGE_SAVE_LOAD_DIR: /tmp/botkube-images
 
@@ -159,7 +156,7 @@ jobs:
       - name: Install BotKube
         env:
           SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
-          SLACK_TESTER_APP_TOKEN: ${{ secrets.SLACK_TESTER_APP_TOKEN }}      
+          SLACK_TESTER_APP_TOKEN: ${{ secrets.SLACK_TESTER_APP_TOKEN }}
         run: |
           helm install botkube --namespace botkube ./helm/botkube --wait --create-namespace \
             -f ./helm/botkube/e2e-test-values.yaml \
@@ -171,7 +168,7 @@ jobs:
             --set e2eTest.image.repository="${TEST_IMAGE_REPOSITORY}" \
             --set e2eTest.image.tag="${IMAGE_TAG}" \
             --set e2eTest.slack.testerAppToken="${SLACK_TESTER_APP_TOKEN}" \
-            --set e2eTest.slack.additionalContextMessage="Pull request: ${PR_NUMBER} - https://github.com/infracloudio/botkube/pull/${PR_NUMBER}"
+            --set e2eTest.slack.additionalContextMessage="Pull request: ${PR_NUMBER} - https://github.com/kubeshop/botkube/pull/${PR_NUMBER}"
 
       - name: Run tests
         run: "helm test botkube --namespace botkube --timeout=$INTEGRATION_TESTS_TIMEOUT --logs"

.golangci.yml

@@ -43,4 +43,4 @@ linters-settings:
   goimports:
   # put imports beginning with prefix after 3rd-party packages;
   # it's a comma-separated list of prefixes
-  local-prefixes: github.com/infracloudio/botkube
+  local-prefixes: github.com/kubeshop/botkube

.goreleaser.yml

@@ -1,8 +1,8 @@
 project_name: botkube
 env:
   - IMAGE_REGISTRY={{ if index .Env "IMAGE_REGISTRY"  }}{{ .Env.IMAGE_REGISTRY }}{{ else }}ghcr.io{{ end }}
-  - IMAGE_REPOSITORY={{ if index .Env "IMAGE_REPOSITORY"  }}{{ .Env.IMAGE_REPOSITORY }}{{ else }}infracloudio/botkube{{ end }}
-  - TEST_IMAGE_REPOSITORY={{ if index .Env "TEST_IMAGE_REPOSITORY"  }}{{ .Env.TEST_IMAGE_REPOSITORY }}{{ else }}infracloudio/botkube-test{{ end }}
+  - IMAGE_REPOSITORY={{ if index .Env "IMAGE_REPOSITORY"  }}{{ .Env.IMAGE_REPOSITORY }}{{ else }}kubeshop/botkube{{ end }}
+  - TEST_IMAGE_REPOSITORY={{ if index .Env "TEST_IMAGE_REPOSITORY"  }}{{ .Env.TEST_IMAGE_REPOSITORY }}{{ else }}kubeshop/botkube-test{{ end }}
 before:
   hooks:
     - go mod download