feat: Allow packages from git repositories in extras

extra_requirements.txt

@@ -1 +1 @@
-PyMart:                     genes
+PyMart @ git+https://github.com/ivanp1994/PyMart.git@main:                     genes

setup.py

@@ -40,17 +40,15 @@ def get_extra_requires():
             if k.strip() and not k.startswith("#"):
                 tags = set()
                 if ":" in k:
-                    k, v = k.split(":")
+                    k, v = k.rsplit(":", 1)
                     tags.update(vv.strip() for vv in v.split(","))
-                tags.add(re.split("[<=>]", k)[0])
                 for t in tags:
                     extra_dependencies[t].add(k)
 
         # Add tag `full` at the end
         extra_dependencies["full"] = set(
             vv for v in extra_dependencies.values() for vv in v
         )
-
     return extra_dependencies