Adds YAML-based project configuration loader

Introduces a function to load and parse project configurations from a YAML file, returning a typed object for improved usability and type safety.

src/config.py

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+from pydantic import BaseModel
+
+class DirectoryConfig(BaseModel):
+    dependency: str = ".hdlbuild_deps"
+    build: str = ".working"
+    report: str = "reports"
+    copy_target: str = "output"
+
+DIRECTORIES = DirectoryConfig()
+
+class GitConfig(BaseModel):
+    timeout: int = 10
+
+GIT = GitConfig()

src/models/project.py

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+from pydantic import BaseModel, Field
+from typing import List, Optional
+
+class SourceFile(BaseModel):
+    path: str
+    library: str = "work"   # Default auf 'work'
+
+class Dependency(BaseModel):
+    name: str
+    git: str
+    rev: str
+    library: str = "work"   # Default auf 'work'
+
+class Sources(BaseModel):
+    vhdl: List[SourceFile] = Field(default_factory=list)
+    verilog: List[SourceFile] = Field(default_factory=list)
+
+class Testbenches(BaseModel):
+    vhdl: List[SourceFile] = Field(default_factory=list)
+    verilog: List[SourceFile] = Field(default_factory=list)
+
+class BuildOptions(BaseModel):
+    build_dir: Optional[str] = "working"
+    report_dir: Optional[str] = "reports"
+    copy_target_dir: Optional[str] = "output"
+
+class ProjectConfig(BaseModel):
+    name: str
+    topmodule: Optional[str]
+    target_device: str
+    xilinx_path: str
+    sources: Sources
+    testbenches: Optional[Testbenches] = None
+    constraints: Optional[str] = None
+    build: Optional[BuildOptions] = None
+    dependencies: Optional[List[Dependency]] = Field(default_factory=list)

src/utils/project_loader.py

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+import yaml
+from models.project import ProjectConfig
+
+def load_project_config(path: str = "project.yml") -> ProjectConfig:
+    """
+    Lädt die Projektkonfiguration aus einer YAML-Datei und gibt ein typisiertes ProjectConfig-Objekt zurück.
+    
+    Args:
+        path (str): Pfad zur project.yml Datei (Default: "project.yml")
+    
+    Returns:
+        ProjectConfig: Geparstes und typisiertes Projektkonfigurationsobjekt
+    """
+    with open(path, "r") as file:
+        raw_data = yaml.safe_load(file)
+    return ProjectConfig(**raw_data)