Add release automation (#212)

## Description
Add a script called in the release automation workflow.

Example PR:
fishjam-cloud/release-test-js-server-sdk#4

## Motivation and Context
Speed up the release.

## Documentation impact

- [ ] Documentation update required
- [ ] Documentation updated [in another PR](_)
- [ ] No documentation update required

## Types of changes

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to
      not work as expected)

Author: ostatni5

.tool-versions

@@ -0,0 +1,2 @@
+nodejs 24.4.1
+protoc 33.0

release-automation/bump-version.sh

@@ -0,0 +1,82 @@
+#!/bin/bash
+set -e
+
+# Usage: ./bump-version.sh <version>
+VERSION="$1"
+
+if [ -z "$GH_TOKEN" ]; then
+    echo "Error: GH_TOKEN environment variable is not set"
+    exit 1
+fi
+
+if [ -z "$VERSION" ]; then
+    echo "Usage: $0 <version>"
+    exit 1
+fi
+
+# Install asdf dependencies if .tool-versions exists
+if [ -f .tool-versions ]; then
+    echo "Installing asdf dependencies..."
+    # add plugins from .tool-versions
+    while read -r line; do
+        PLUGIN_NAME=$(echo "$line" | awk '{print $1}')
+        if ! asdf plugin list | grep -q "^$PLUGIN_NAME$"; then
+            echo "Adding asdf plugin: $PLUGIN_NAME"
+            asdf plugin add "$PLUGIN_NAME"
+        else
+            echo "asdf plugin $PLUGIN_NAME already added"
+        fi
+    done < .tool-versions
+    
+    asdf install
+else
+    echo ".tool-versions file not found!"
+    exit 1
+fi
+
+# Create release branch
+BRANCH_NAME="release-$VERSION"
+git checkout -b "$BRANCH_NAME"
+
+
+# Update root package.json
+if [ -f package.json ]; then
+    echo "Enabling corepack..."
+    corepack enable
+    corepack yarn version "$VERSION"
+    echo "Updated root package.json to $VERSION"
+else
+    echo "Root package.json not found!"
+    exit 1
+fi
+
+corepack yarn workspaces foreach -A version "$VERSION"
+
+
+# Run proto generation
+if corepack yarn gen:proto; then
+    echo "Protos generated."
+else
+    echo "Proto generation failed!"
+    exit 1
+fi
+
+
+# Run openapi codegen in fishjam-openapi
+cd packages/fishjam-openapi
+
+curl -H "Authorization: token $GH_TOKEN" \
+-H "Accept: application/vnd.github.v3.raw" \
+-L "https://raw.githubusercontent.com/fishjam-cloud/fishjam/main/openapi.yaml" \
+-o openapi.yaml
+
+npx @openapitools/openapi-generator-cli generate \
+-i ./openapi.yaml \
+-g typescript-axios \
+-o ./src/generated
+
+rm openapi.yaml
+cd ../../
+
+echo "✅ Version bump complete for $VERSION"
+echo "BRANCH_NAME:$BRANCH_NAME"