Add project configuration and build tools

- Introduced new scripts for project generation and synthesis (dodo.py, generate_prj.py, generate_scr.py, run_xst.py).
- Implemented configuration parsing for VHDL sources and project settings (config.py).
- Added default configuration values (defaults.py).
- Updated .gitignore to include additional file types.
- Created test cases for project generation and configuration parsing (test_generate_prj.py, test_generate_scr.py, test_project_cfg.py).

tests/test_config.py

@@ -0,0 +1,72 @@
+from tools.config import parse_vhdl_ls_toml
+from pathlib import Path
+import tempfile
+import textwrap
+import pytest
+
+
+def test_parsing_skips_third_party_libs():
+    content = textwrap.dedent("""
+        [libraries.lib]
+        files = ["src/main.vhd"]
+
+        [libraries.XILINX]
+        files = ["/opt/Xilinx/abc.vhd"]
+        is_third_party = true
+    """)
+    with tempfile.NamedTemporaryFile("w+", suffix=".toml", delete=False) as f:
+        f.write(content)
+        f.flush()
+        result = parse_vhdl_ls_toml(Path(f.name))
+
+    assert "work" in result
+    assert "XILINX" not in result
+    assert result["work"] == [Path("src/main.vhd")]
+
+
+def test_parsing_multiple_libraries():
+    content = textwrap.dedent("""
+        [libraries.lib]
+        files = ["src/foo.vhd", "src/bar.vhd"]
+
+        [libraries.myip]
+        files = ["ipcore/top.vhd"]
+    """)
+    with tempfile.NamedTemporaryFile("w+", suffix=".toml", delete=False) as f:
+        f.write(content)
+        f.flush()
+        result = parse_vhdl_ls_toml(Path(f.name))
+
+    assert "work" in result
+    assert "myip" in result
+    assert result["work"] == [Path("src/foo.vhd"), Path("src/bar.vhd")]
+    assert result["myip"] == [Path("ipcore/top.vhd")]
+
+
+def test_empty_toml_file():
+    with tempfile.NamedTemporaryFile("w+", suffix=".toml", delete=False) as f:
+        f.write("")  # Empty file
+        f.flush()
+        result = parse_vhdl_ls_toml(Path(f.name))
+
+    assert result == {}
+
+
+def test_missing_file_raises_error():
+    with pytest.raises(FileNotFoundError):
+        parse_vhdl_ls_toml(Path("nonexistent.toml"))
+
+
+def test_libname_translation_to_work():
+    content = textwrap.dedent("""
+        [libraries.lib]
+        files = ["src/xyz.vhd"]
+    """)
+    with tempfile.NamedTemporaryFile("w+", suffix=".toml", delete=False) as f:
+        f.write(content)
+        f.flush()
+        result = parse_vhdl_ls_toml(Path(f.name))
+
+    assert "work" in result
+    assert "lib" not in result
+    assert result["work"] == [Path("src/xyz.vhd")]