change repo structure; modify readme

tensorneat/algorithm/neat/species/base.py

@@ -0,0 +1,14 @@
+from utils import State
+
+class BaseSpecies:
+    def setup(self, randkey):
+        raise NotImplementedError
+
+    def ask(self, state: State):
+        raise NotImplementedError
+
+    def update_species(self, state, fitness, generation):
+        raise NotImplementedError
+
+    def speciate(self, state, generation):
+        raise NotImplementedError