:tada: create LLM server

langchain-server/.gitignore

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+*.egg-info
+__pycache__/

langchain-server/README.md

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+# RHODODENDRON
+
+## Usage
+
+```bash
+# initial python3 virtual env folder
+$ python3 -m venv $HOME/tmp/python3
+
+# load virtual env vars
+$ source $HOME/tmp/python3/bin/activate
+# install dependencies
+> python3 -m pip install -e .
+
+> python3 -m rhododendron -h
+```

langchain-server/pyproject.toml

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+[project]
+name = "rhododendron"
+version = "2026.4.19"
+authors = [
+    { name = "Visuddhinanda", email = "visuddhinanda@gmail.com" },
+    { name = "Kassapa", email = "ven.kassapa@qq.com" },
+]
+description = "A LLM service"
+readme = "README.md"
+requires-python = ">=3.12"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "Operating System :: OS Independent",
+]
+license = "MIT"
+dependencies = ["bottle>=0.13", "langchain>=1.2"]
+
+[project.urls]
+Homepage = "https://github.com/iapt-platform/mint/tree/master/rhododendron"
+Issues = "https://github.com/iapt-platform/mint/issues"