chore: add pre-release-branch-update GitHub action. Fix prev commit

.github/workflows/pre-release-branch-update.yml

@@ -0,0 +1,55 @@
+# Action setup:
+#
+# Copy this action to .github/workflows
+#
+# Add YDB_PLATFORM_BOT_TOKEN_REPO, which is Personal Access Token (PAT), to secrets or rename YDB_PLATFORM_BOT_TOKEN_REPO in this code to an already existing token
+#
+# Add to .gitignore a comment before line that ignores result of the build with the following postfix:
+#   (next line will be removed by pre-release-branch-update GitHub action to be included in dist branch)
+#
+# Copy PRE-RELEASE.md rom this project
+
+name: Pre-Release branch update
+on:
+  push:
+    branches:
+      - main
+      - master
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout project
+        uses: actions/checkout@v3
+        with:
+          persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal token
+          fetch-depth: 0 # otherwise, you will failed to push refs to dest repo
+      - name: Install dependencies
+        run: npm ci
+        shell: bash
+      - name: Remove build result from .gitignore
+        uses: jacobtomlinson/gha-find-replace@v3
+        with:
+          include: ".gitignore"
+          find: "#.*\\(next line will be removed by pre-release-branch-update GitHub action to be included in dist branch\\)\\n.*\\n"
+          replace: "###\n"
+      - name: .gitignore
+        run: cat .gitignore
+        shell: bash
+      - name: Build typescript project
+        run: npm run build
+        shell: bash
+      - name: ls
+        run: ls
+        shell: bash
+      - name: Commit files to pre-release branch
+        run: |
+          git config --local user.email "[email protected]"
+          git config --local user.name "pre-release-to-branch[action]"
+          git add .
+          git commit -a -m "Typescript build"
+      - name: Push changes
+        uses: ad-m/github-push-action@master
+        with:
+          github_token: ${{ secrets.YDB_PLATFORM_BOT_TOKEN_REPO }}
+          branch: "pre-release"

.gitignore

@@ -5,6 +5,8 @@ node_modules
 #temporary
 tmp/
 temp/
+
+# typescript build (next line will be removed by pre-release-branch-update GitHub action to be included in dist branch)
 build/
 
 #personal

PRE-RELEASE.md

@@ -0,0 +1,14 @@
+# PRE-RELEASE project preview
+
+The idea of Pre-release is to let the project can be tried out before the official release when the project code is
+committed to npm with a new version assignment.
+
+GitHub action pre-release-branch-update takes action when an code update was pushed to the main (master)
+branch.  The action performs the project build, enabling save the result in git, and saves the result to
+the pre-release branch.
+
+Later, this code can be tested by adding to a test project using command
+*npm install https://github.com/ydb-platform/ydb-nodejs-sdk.git#pre-release*.
+
+When making changes to a project and building a new pre-release version by git push. It is **necessary**
+to update the code of the component in test projects via *npm update*.