Add project tools and contributing guidelines (#281)

pyproject.toml

@@ -1,3 +1,11 @@
+[tool.poetry]
+name = "embedchain"
+version = "0.0.23"
+description = "embedchain is a framework to easily create LLM powered bots over any dataset"
+authors = ["Taranjeet Singh"]
+license = "Apache License"
+readme = "README.md"
+
 [build-system]
 requires = ["setuptools", "wheel"]
 build-backend = "setuptools.build_meta"
@@ -5,7 +13,7 @@ build-backend = "setuptools.build_meta"
 [tool.ruff]
 select = ["E", "F"]
 ignore = []
-fixable = ["A", "B", "C", "D", "E", "F", "G", "I", "N", "Q", "S", "T", "W", "ANN", "ARG", "BLE", "COM", "DJ", "DTZ", "EM", "ERA", "EXE", "FBT", "ICN", "INP", "ISC", "NPY", "PD", "PGH", "PIE", "PL", "PT", "PTH", "PYI", "RET", "RSE", "RUF", "SIM", "SLF", "TCH", "TID", "TRY", "UP", "YTT"]
+fixable = ["ALL"]
 unfixable = []
 exclude = [
     ".bzr",
@@ -37,6 +45,10 @@ target-version = "py38"
 [tool.ruff.mccabe]
 max-complexity = 10
 
+# Ignore `E402` (import violations) in all `__init__.py` files, and in `path/to/file.py`.
+[tool.ruff.per-file-ignores]
+"embedchain/__init__.py" = ["E401"]
+
 [tool.black]
 line-length = 120
 target-version = ["py38", "py39", "py310", "py311"]
@@ -66,3 +78,37 @@ exclude = '''
 
 [tool.black.format]
 color = true
+
+[tool.poetry.dependencies]
+python = ">=3.9,<3.9.7 || >3.9.7,<4.0"
+python-dotenv = "^1.0.0"
+langchain = "^0.0.205"
+requests = "^2.31.0"
+openai = "^0.27.5"
+chromadb ="^0.3.26"
+youtube-transcript-api = "^0.6.1"
+beautifulsoup4 = "^4.12.2"
+pypdf = "^3.11.0"
+pytube = "^15.0.0"
+
+
+
+[tool.poetry.group.dev.dependencies]
+black = "^23.3.0"
+pre-commit = "^3.2.2"
+ruff = "^0.0.220"
+pytest = "^7.3.1"
+pytest-mock = "^3.10.0"
+pytest-env = "^0.8.1"
+click = "^8.1.3"
+
+[tool.poetry.extras]
+streamlit = ["streamlit"]
+
+
+[tool.poetry.group.docs.dependencies]
+
+
+
+[tool.poetry.scripts]
+