example(slack-qa-bot): Add slack QA bot example (#654)

Signed-off-by: mudler <mudler@localai.io>

examples/slack-qa-bot/.env.example

@@ -0,0 +1,48 @@
+# Create an app-level token with connections:write scope
+SLACK_APP_TOKEN=xapp-1-...
+# Install the app into your workspace to grab this token
+SLACK_BOT_TOKEN=xoxb-...
+
+# Set this to a random string, it doesn't matter, however if present the python library complains
+OPENAI_API_KEY=sk-foo-bar-baz
+
+# Optional: gpt-3.5-turbo and gpt-4 are currently supported (default: gpt-3.5-turbo)
+OPENAI_MODEL=gpt-3.5-turbo
+# Optional: You can adjust the timeout seconds for OpenAI calls (default: 30)
+OPENAI_TIMEOUT_SECONDS=560
+
+MEMORY_DIR=/tmp/memory_dir
+
+OPENAI_API_BASE=http://api:8080/v1
+
+EMBEDDINGS_MODEL_NAME=all-MiniLM-L6-v2
+
+## Repository and sitemap to index in the vector database on start
+SITEMAP="https://kairos.io/sitemap.xml"
+
+# Optional repository names.
+# REPOSITORIES="foo,bar"
+# # Define clone URL for "foo"
+# foo_CLONE_URL="http://github.com.."
+# bar_CLONE_URL="..."
+# # Define branch for foo
+# foo_BRANCH="master"
+# Optional token if scraping issues
+# GITHUB_PERSONAL_ACCESS_TOKEN=""
+# ISSUE_REPOSITORIES="go-skynet/LocalAI,foo/bar,..."
+
+# Optional: When the string is "true", this app translates ChatGPT prompts into a user's preferred language (default: true)
+USE_SLACK_LANGUAGE=true
+# Optional: Adjust the app's logging level (default: DEBUG)
+SLACK_APP_LOG_LEVEL=INFO
+# Optional: When the string is "true", translate between OpenAI markdown and Slack mrkdwn format (default: false)
+TRANSLATE_MARKDOWN=true
+
+
+### LocalAI
+
+DEBUG=true
+MODELS_PATH=/models
+IMAGE_PATH=/tmp
+# See: https://github.com/go-skynet/model-gallery
+PRELOAD_MODELS=[{"url": "github:go-skynet/model-gallery/gpt4all-j.yaml", "name": "gpt-3.5-turbo"}]