f4pga: add pyproject.toml

Signed-off-by: Unai Martinez-Corral <umartinezcorral@antmicro.com>

f4pga/pyproject.toml

@@ -0,0 +1,2 @@
+[tool.black]
+line-length = 120

f4pga/setup.py

@@ -55,13 +55,13 @@ version = None
 with (packagePath.parent / '.gitcommit').open("r") as rptr:
     sha = rptr.read().strip()
     if sha != '$Format:%h$':
-        version = f'{semver}-{sha}'
+        version = f'{semver}+{sha}'
 
 git = which('git')
 if git is not None:
     proc = run(['git', 'rev-parse', 'HEAD'], capture_output=True)
     if proc.returncode == 0:
-        version = f'{semver}-{proc.stdout.decode("utf8")[0:8]}'
+        version = f'{semver}+{proc.stdout.decode("utf8")[0:8]}'
 
 if version is None:
     version = semver