Merge pull request #166 from imaarov/issue/165-document-the-post-v1-t…

…utor-fen-endpoint

Implemented Tutor Fen Document

docs/post-tutor-fen.md

@@ -0,0 +1,19 @@
+# POST /v1/tutor/fen
+
+Describe positions of a chess game
+
+## Parameters
+
+| Name | Description | Required |
+| ---- | ----------- | -------- |
+| fen | A FEN string. | Yes |
+
+```bash
+curl --request POST \
+  --url https://api.chesslablab.org/v1/tutor/fen \
+  --data '{"fen":"r1bq1rk1/pppnn1bp/3p2p1/3Ppp2/2P1P3/2N2P2/PP2B1PP/R1BQNRK1 w - f6"}'
+```
+
+```text
+"White is totally controlling the center. The white pieces are significantly better connected. White has a moderate space advantage. The black player is pressuring a little bit more squares than its opponent. White has a slight advanced pawn advantage. d5 is an advanced pawn. e6 and d4 are outpost squares. Overall, 4 heuristic evaluation features are favoring White while 1 is favoring Black."
+```