Add Vela codebase

 - Added modules ethosu.vela and ethosu.mlw_codec.
 - Added README and various configuration files.

Change-Id: I3690f8c8f5966306ecddaeb2793c30ca9c6e2eee
diff --git a/Pipfile.lock b/Pipfile.lock
new file mode 100644
index 0000000..6fa0154
--- /dev/null
+++ b/Pipfile.lock
@@ -0,0 +1,56 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "2d930644f3f81f11dae3317cae890fe083479342c80da44161b46ac83d6972d5"
+        },
+        "pipfile-spec": 6,
+        "requires": {},
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "ethos-u-vela": {
+            "editable": true,
+            "path": "."
+        },
+        "flatbuffers": {
+            "hashes": [
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+            ],
+            "version": "==1.11.0"
+        },
+        "numpy": {
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+            ],
+            "version": "==1.18.2"
+        }
+    },
+    "develop": {}
+}