add README for repo

README.md

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+# Paths
+
+Paths is a Unity-based application dedicated to showing off a array of different pathfinding algorithms in a variety of different environments and configurations.
+
+## Algorithms
+
+- A*
+
+## To-do
+
+- Algorithms
+    - Djikstra
+    - IDA*
+    - Depth-First Search
+    - Breadth-First Search
+    - Jump Point Search
+    - Orthogonal Jump Point Search
+    - Trace
+    - Bellman-Ford
+    - D* or D*-Lite
+- Configuration Options
+    - Heuristic Calculations
+    - Informed Search Options
+        - Uninformed
+        - Informed
+            - Manhattan
+            - Euclidean
+- Application Elements
+    - Editable Graph
+    - UI Toolbar / Tool Selection
+    - Algorithm Configuration Area
+    - Statistics Report
+    - State Slider
+- Miscellaneous
+    - Repository graphics