Explicitly put minimum cocoindex version in examples. (#47)

Author: badmonster0

examples/code_embedding/pyproject.toml

@@ -3,4 +3,4 @@ name = "code-embedding"
 version = "0.1.0"
 description = "Simple example for cocoindex: build embedding index based on source code."
 requires-python = ">=3.10"
-dependencies = ["cocoindex>=0.0.0", "python-dotenv>=1.0.1"]
+dependencies = ["cocoindex>=0.1.4", "python-dotenv>=1.0.1"]

examples/pdf_embedding/pyproject.toml

@@ -3,4 +3,4 @@ name = "pdf-embedding"
 version = "0.1.0"
 description = "Simple example for cocoindex: build embedding index based on local PDF files."
 requires-python = ">=3.10"
-dependencies = ["cocoindex>=0.0.0", "python-dotenv>=1.0.1", "marker-pdf>=1.5.2"]
+dependencies = ["cocoindex>=0.1.4", "python-dotenv>=1.0.1", "marker-pdf>=1.5.2"]

examples/text_embedding/pyproject.toml

@@ -3,4 +3,4 @@ name = "text-embedding"
 version = "0.1.0"
 description = "Simple example for cocoindex: build embedding index based on local text files."
 requires-python = ">=3.10"
-dependencies = ["cocoindex>=0.0.0", "python-dotenv>=1.0.1"]
+dependencies = ["cocoindex>=0.1.4", "python-dotenv>=1.0.1"]