Move scripts used in CI to the new location (#11008)

Move scripts used in CI to the new location - **./scripts/ci/**

* Move github scripts

* Move more files

* Move ci scripts and fix dependencies

* Update docs/node-template-release.md

Co-authored-by: João Paulo Silva de Souza <77391175+joao-paulo-parity@users.noreply.github.com>

* Remove Cargo.lock

* Apply suggestions from code review

Co-authored-by: Denis Pisarev <denis.pisarev@parity.io>

* Make more paths uniform

Co-authored-by: João Paulo Silva de Souza <77391175+joao-paulo-parity@users.noreply.github.com>
Co-authored-by: Denis Pisarev <denis.pisarev@parity.io>

substrate/scripts/ci/gitlab/publish_draft_release.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+
+# shellcheck source=../common/lib.sh
+source "$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )/../common/lib.sh"
+
+version="$CI_COMMIT_TAG"
+
+# Note that this is not the last *tagged* version, but the last *published* version
+last_version=$(last_github_release 'paritytech/substrate')
+
+release_text="$(./generate_release_text.sh "$last_version" "$version")"
+
+echo "[+] Pushing release to github"
+# Create release on github
+release_name="Substrate $version"
+data=$(jq -Rs --arg version "$version" \
+  --arg release_name "$release_name" \
+  --arg release_text "$release_text" \
+'{
+  "tag_name": $version,
+  "target_commitish": "master",
+  "name": $release_name,
+  "body": $release_text,
+  "draft": true,
+  "prerelease": false
+}' < /dev/null)
+
+out=$(curl -s -X POST --data "$data" -H "Authorization: token $GITHUB_RELEASE_TOKEN" "$api_base/paritytech/substrate/releases")
+
+html_url=$(echo "$out" | jq -r .html_url)
+
+if [ "$html_url" == "null" ]
+then
+  echo "[!] Something went wrong posting:"
+  echo "$out"
+else
+  echo "[+] Release draft created: $html_url"
+fi
+
+echo '[+] Sending draft release URL to Matrix'
+
+msg_body=$(cat <<EOF
+**Release pipeline for Substrate $version complete.**
+Draft release created: $html_url
+EOF
+)
+formatted_msg_body=$(cat <<EOF
+<strong>Release pipeline for Substrate $version complete.</strong><br />
+Draft release created: $html_url
+EOF
+)
+send_message "$(structure_message "$msg_body" "$formatted_msg_body")" "$MATRIX_ROOM_ID" "$MATRIX_ACCESS_TOKEN"
+
+echo "[+] Done! Maybe the release worked..."